regulator: fix typos

Fix a couple of typos I found while working with this subsystem.

Signed-off-by: Wolfram Sang <[e-mail]>
Acked-by: Mark Brown <[e-mail]>
Signed-off-by: Liam Girdwood <[e-mail]>

Documentation/power/regulator/machine.txt

···
 },
 };
 /* register regulator 1 device */
-platform_device_register(&wm8350_regulator_devices[0]);
+platform_device_register(&regulator_devices[0]);
 
 /* register regulator 2 device */
-platform_device_register(&wm8350_regulator_devices[1]);
+platform_device_register(&regulator_devices[1]);

include/linux/regulator/machine.h

···
 #define REGULATOR_CHANGE_DRMS		0x10
 
 /**
- * struct regulator_state - regulator state during low power syatem states
+ * struct regulator_state - regulator state during low power system states
  *
  * This describes a regulators state during a system wide low power state.
  *
···
 	/* mode to set on startup */
 	unsigned int initial_mode;
 
-	/* constriant flags */
+	/* constraint flags */
 	unsigned always_on:1;	/* regulator never off when system is on */
 	unsigned boot_on:1;	/* bootloader/firmware enabled regulator */
-	unsigned apply_uV:1;	/* apply uV constraint iff min == max */
+	unsigned apply_uV:1;	/* apply uV constraint if min == max */
 };
 
 /**

include/linux/regulator/max1586.h

···
  * max1586_subdev_data - regulator data
  * @id: regulator Id (either MAX1586_V3 or MAX1586_V6)
  * @name: regulator cute name (example for V3: "vcc_core")
- * @platform_data: regulator init data (contraints, supplies, ...)
+ * @platform_data: regulator init data (constraints, supplies, ...)
  */
 struct max1586_subdev_data {
 	int				id;
···
 
 /**
  * max1586_platform_data - platform data for max1586
- * @num_subdevs: number of regultors used (may be 1 or 2)
+ * @num_subdevs: number of regulators used (may be 1 or 2)
  * @subdevs: regulator used
  *           At most, there will be a regulator for V3 and one for V6 voltages.
  * @v3_gain: gain on the V3 voltage output multiplied by 1e6.