backlight: platform_lcd: fix checkpatch error

This patch fixes the checkpatch error as below:

  ERROR: spaces prohibited around that ':' (ctx:WxW)
Signed-off-by: NJingoo Han <jg1.han@samsung.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

drivers/video/backlight/platform_lcd.c

@@ -27,7 +27,7 @@ struct platform_lcd {
 	struct plat_lcd_data	*pdata;
 
 	unsigned int		 power;
-	unsigned int		 suspended : 1;
+	unsigned int		 suspended:1;
 };
 
 static inline struct platform_lcd *to_our_lcd(struct lcd_device *lcd)