docs: hwmon: (smpro-hwmon) Improve grammar and formatting

Improve documentation grammar and formatting for the
Ampere(R)'s Altra(R) SMpro hwmon driver.

Thanks Bagas for the changes in the link below.

Link: https://lore.kernel.org/lkml/Y1aHiaZ1OpHZIzS9@google.com/T/#mfea2167b99384486a1b75d9304536015116c1821Signed-off-by: Quan Nguyen <quan@os.amperecomputing.com>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://lore.kernel.org/r/20221102062103.3135417-1-quan@os.amperecomputing.comSigned-off-by: Guenter Roeck <linux@roeck-us.net>

Documentation/hwmon/smpro-hwmon.rst

@@ -7,39 +7,39 @@ Supported chips:
 
   * Ampere(R) Altra(R)
 
-    Prefix: 'smpro'
+    Prefix: ``smpro``
 
-    Reference: Altra SoC BMC Interface Specification
+    Reference: `Altra SoC BMC Interface Specification`
 
 Author: Thu Nguyen <thu@os.amperecomputing.com>
 
 Description
 -----------
-This driver supports hardware monitoring for Ampere(R) Altra(R) SoC's based on the
-SMpro co-processor (SMpro).
-The following sensor types are supported by the driver:
+The smpro-hwmon driver supports hardware monitoring for Ampere(R) Altra(R)
+SoCs based on the SMpro co-processor (SMpro).  The following sensor metrics
+are supported by the driver:
 
   * temperature
   * voltage
   * current
   * power
 
-The SMpro interface provides the registers to query the various sensors and
+The interface provides the registers to query the various sensors and
 their values which are then exported to userspace by this driver.
 
 Usage Notes
 -----------
 
-SMpro hwmon driver creates at least two sysfs files for each sensor.
+The driver creates at least two sysfs files for each sensor.
 
-* File ``<sensor_type><idx>_label`` reports the sensor label.
-* File ``<sensor_type><idx>_input`` returns the sensor value.
+* ``<sensor_type><idx>_label`` reports the sensor label.
+* ``<sensor_type><idx>_input`` returns the sensor value.
 
-The sysfs files are allocated in the SMpro root fs folder.
-There is one root folder for each SMpro instance.
+The sysfs files are allocated in the SMpro rootfs folder, with one root
+directory for each instance.
 
-When the SoC is turned off, the driver will fail to read registers
-and return -ENXIO.
+When the SoC is turned off, the driver will fail to read registers and
+return ``-ENXIO``.
 
 Sysfs entries
 -------------
@@ -48,48 +48,49 @@ The following sysfs files are supported:
 
 * Ampere(R) Altra(R):
 
-============    =============   ======  ===============================================
-Name            Unit            Perm    Description
-temp1_input     milli Celsius   RO      SoC temperature
-temp2_input     milli Celsius   RO      Max temperature reported among SoC VRDs
-temp2_crit      milli Celsius   RO      SoC VRD HOT Threshold temperature
-temp3_input     milli Celsius   RO      Max temperature reported among DIMM VRDs
-temp4_input     milli Celsius   RO      Max temperature reported among Core VRDs
-temp5_input     milli Celsius   RO      Temperature of DIMM0 on CH0
-temp5_crit      milli Celsius   RO      MEM HOT Threshold for all DIMMs
-temp6_input     milli Celsius   RO      Temperature of DIMM0 on CH1
-temp6_crit      milli Celsius   RO      MEM HOT Threshold for all DIMMs
-temp7_input     milli Celsius   RO      Temperature of DIMM0 on CH2
-temp7_crit      milli Celsius   RO      MEM HOT Threshold for all DIMMs
-temp8_input     milli Celsius   RO      Temperature of DIMM0 on CH3
-temp8_crit      milli Celsius   RO      MEM HOT Threshold for all DIMMs
-temp9_input     milli Celsius   RO      Temperature of DIMM0 on CH4
-temp9_crit      milli Celsius   RO      MEM HOT Threshold for all DIMMs
-temp10_input    milli Celsius   RO      Temperature of DIMM0 on CH5
-temp10_crit     milli Celsius   RO      MEM HOT Threshold for all DIMMs
-temp11_input    milli Celsius   RO      Temperature of DIMM0 on CH6
-temp11_crit     milli Celsius   RO      MEM HOT Threshold for all DIMMs
-temp12_input    milli Celsius   RO      Temperature of DIMM0 on CH7
-temp12_crit     milli Celsius   RO      MEM HOT Threshold for all DIMMs
-temp13_input    milli Celsius   RO      Max temperature reported among RCA VRDs
-in0_input       milli Volts     RO      Core voltage
-in1_input       milli Volts     RO      SoC voltage
-in2_input       milli Volts     RO      DIMM VRD1 voltage
-in3_input       milli Volts     RO      DIMM VRD2 voltage
-in4_input       milli Volts     RO      RCA VRD voltage
-cur1_input      milli Amperes   RO      Core VRD current
-cur2_input      milli Amperes   RO      SoC VRD current
-cur3_input      milli Amperes   RO      DIMM VRD1 current
-cur4_input      milli Amperes   RO      DIMM VRD2 current
-cur5_input      milli Amperes   RO      RCA VRD current
-power1_input    micro Watts     RO      Core VRD power
-power2_input    micro Watts     RO      SoC VRD power
-power3_input    micro Watts     RO      DIMM VRD1 power
-power4_input    micro Watts     RO      DIMM VRD2 power
-power5_input    micro Watts     RO      RCA VRD power
-============    =============   ======  ===============================================
-
-Example::
+  ============    =============  ======  ===============================================
+  Name            Unit           Perm    Description
+  ============    =============  ======  ===============================================
+  temp1_input     millicelsius   RO      SoC temperature
+  temp2_input     millicelsius   RO      Max temperature reported among SoC VRDs
+  temp2_crit      millicelsius   RO      SoC VRD HOT Threshold temperature
+  temp3_input     millicelsius   RO      Max temperature reported among DIMM VRDs
+  temp4_input     millicelsius   RO      Max temperature reported among Core VRDs
+  temp5_input     millicelsius   RO      Temperature of DIMM0 on CH0
+  temp5_crit      millicelsius   RO      MEM HOT Threshold for all DIMMs
+  temp6_input     millicelsius   RO      Temperature of DIMM0 on CH1
+  temp6_crit      millicelsius   RO      MEM HOT Threshold for all DIMMs
+  temp7_input     millicelsius   RO      Temperature of DIMM0 on CH2
+  temp7_crit      millicelsius   RO      MEM HOT Threshold for all DIMMs
+  temp8_input     millicelsius   RO      Temperature of DIMM0 on CH3
+  temp8_crit      millicelsius   RO      MEM HOT Threshold for all DIMMs
+  temp9_input     millicelsius   RO      Temperature of DIMM0 on CH4
+  temp9_crit      millicelsius   RO      MEM HOT Threshold for all DIMMs
+  temp10_input    millicelsius   RO      Temperature of DIMM0 on CH5
+  temp10_crit     millicelsius   RO      MEM HOT Threshold for all DIMMs
+  temp11_input    millicelsius   RO      Temperature of DIMM0 on CH6
+  temp11_crit     millicelsius   RO      MEM HOT Threshold for all DIMMs
+  temp12_input    millicelsius   RO      Temperature of DIMM0 on CH7
+  temp12_crit     millicelsius   RO      MEM HOT Threshold for all DIMMs
+  temp13_input    millicelsius   RO      Max temperature reported among RCA VRDs
+  in0_input       millivolts     RO      Core voltage
+  in1_input       millivolts     RO      SoC voltage
+  in2_input       millivolts     RO      DIMM VRD1 voltage
+  in3_input       millivolts     RO      DIMM VRD2 voltage
+  in4_input       millivolts     RO      RCA VRD voltage
+  cur1_input      milliamperes   RO      Core VRD current
+  cur2_input      milliamperes   RO      SoC VRD current
+  cur3_input      milliamperes   RO      DIMM VRD1 current
+  cur4_input      milliamperes   RO      DIMM VRD2 current
+  cur5_input      milliamperes   RO      RCA VRD current
+  power1_input    microwatts     RO      Core VRD power
+  power2_input    microwatts     RO      SoC VRD power
+  power3_input    microwatts     RO      DIMM VRD1 power
+  power4_input    microwatts     RO      DIMM VRD2 power
+  power5_input    microwatts     RO      RCA VRD power
+  ============    =============  ======  ===============================================
+
+  Example::
 
     # cat in0_input
     830