doc: devicetree: Fix various typos

Fix spelling typos in Documentation/devicetree/bindings.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

Documentation/devicetree/bindings/i2c/i2c-s3c2410.txt

@@ -26,7 +26,7 @@ Required for all cases except "samsung,s3c2440-hdmiphy-i2c":
     - pinctrl-names: Should contain only one value - "default".
 
 Optional properties:
-  - samsung,i2c-slave-addr: Slave address in multi-master enviroment. If not
+  - samsung,i2c-slave-addr: Slave address in multi-master environment. If not
     specified, default value is 0.
   - samsung,i2c-max-bus-freq: Desired frequency in Hz of the bus. If not
     specified, the default value in Hz is 100000.

Documentation/devicetree/bindings/leds/tca6507.txt

-LEDs conected to tca6507
+LEDs connected to tca6507
 
 Required properties:
 - compatible : should be : "ti,tca6507".

Documentation/devicetree/bindings/metag/meta-intc.txt

@@ -12,7 +12,7 @@ Required properties:
       handle 32 interrupt sources).
 
     - interrupt-controller: The presence of this property identifies the node
-      as an interupt controller. No property value shall be defined.
+      as an interrupt controller. No property value shall be defined.
 
     - #interrupt-cells: Specifies the number of cells needed to encode an
       interrupt source. The type shall be a <u32> and the value shall be 2.

Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt

 * Atmel AT91 Pinmux Controller
 
-The AT91 Pinmux Controler, enables the IC
+The AT91 Pinmux Controller, enables the IC
 to share one PAD to several functional blocks. The sharing is done by
 multiplexing the PAD input/output signals. For each PAD there are up to
 8 muxing options (called periph modes). Since different modules require

Documentation/devicetree/bindings/pinctrl/brcm,bcm2835-gpio.txt

@@ -5,7 +5,7 @@ controller, and pinmux/control device.
 
 Required properties:
 - compatible: "brcm,bcm2835-gpio"
-- reg: Should contain the physical address of the GPIO module's registes.
+- reg: Should contain the physical address of the GPIO module's registers.
 - gpio-controller: Marks the device node as a GPIO controller.
 - #gpio-cells : Should be two. The first cell is the pin number and the
   second cell is used to specify optional parameters:

Documentation/devicetree/bindings/power_supply/qnap-poweroff.txt

@@ -2,7 +2,7 @@
 
 QNAP NAS devices have a microcontroller controlling the main power
 supply. This microcontroller is connected to UART1 of the Kirkwood and
-Orion5x SoCs. Sending the charactor 'A', at 19200 baud, tells the
+Orion5x SoCs. Sending the character 'A', at 19200 baud, tells the
 microcontroller to turn the power off. This driver adds a handler to
 pm_power_off which is called to turn the power off.
 

Documentation/devicetree/bindings/regulator/max8997-regulator.txt

@@ -28,7 +28,7 @@ Required properties:
     safe operating voltage).
 
     If either of the 'max8997,pmic-buck[1/2/5]-uses-gpio-dvs' optional
-    property is specified, then all the eigth voltage values for the
+    property is specified, then all the eight voltage values for the
     'max8997,pmic-buck[1/2/5]-dvs-voltage' should be specified.
 
 Optional properties:

Documentation/devicetree/bindings/usb/samsung-usbphy.txt

@@ -4,7 +4,7 @@ The Samsung's phy transceiver is used for controlling usb phy for
 s3c-hsotg as well as ehci-s5p and ohci-exynos usb controllers
 across Samsung SOCs.
 TODO: Adding the PHY binding with controller(s) according to the under
-developement generic PHY driver.
+development generic PHY driver.
 
 Required properties: