i2c: twl.h: Fix comment typos and tab

Fix typo in comments:
	- contollable => controllable
	- uniqe => unique

Replace tab with whitespace in defines.
Signed-off-by: Thomas Weber <weber@corscience.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

include/linux/i2c/twl.h

@@ -496,7 +496,7 @@ struct twl4030_madc_platform_data {
 	int		irq_line;
 };
 
-/* Boards have uniqe mappings of {row, col} --> keycode.
+/* Boards have unique mappings of {row, col} --> keycode.
  * Column and row are 8 bits each, but range only from 0..7.
  * a PERSISTENT_KEY is "always on" and never reported.
  */
@@ -664,7 +664,7 @@ static inline int twl4030charger_usb_en(int enable) { return 0; }
 #define TWL4030_REG_VUSB3V1	19
 
 /* TWL6030 SMPS/LDO's */
-/* EXTERNAL dc-to-dc buck convertor contollable via SR */
+/* EXTERNAL dc-to-dc buck convertor controllable via SR */
 #define TWL6030_REG_VDD1	30
 #define TWL6030_REG_VDD2	31
 #define TWL6030_REG_VDD3	32