staging: iio: isl29028: made alignment of variables in struct isl29028_chip consistent

The alignment of the variables in the struct isl29028_chip is not
consistent. This changes all of the variables to use consistent
alignment to improve the code readability.
Signed-off-by: NBrian Masney <masneyb@onstation.org>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

drivers/staging/iio/light/isl29028.c

@@ -67,13 +67,13 @@ enum isl29028_als_ir_mode {
 };
 
 struct isl29028_chip {
-	struct mutex		lock;
-	struct regmap		*regmap;
+	struct mutex			lock;
+	struct regmap			*regmap;
 
-	unsigned int		prox_sampling;
-	bool			enable_prox;
+	unsigned int			prox_sampling;
+	bool				enable_prox;
 
-	int			lux_scale;
+	int				lux_scale;
 	enum isl29028_als_ir_mode	als_ir_mode;
 };