lcd: add platform_lcd driver

Add a platform_lcd driver to allow boards with simple lcd power controls
to register themselves easily.

[akpm@linux-foundation.org: build fix]
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index a5b3a92..b289e197 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -53,6 +53,13 @@
 	  If you have a VGG2432A4 panel based on the ILI9320 controller chip
 	  then say y to include a power driver for it.
 
+config LCD_PLATFORM
+	tristate "Platform LCD controls"
+	depends on LCD_CLASS_DEVICE
+	help
+	  This driver provides a platform-device registered LCD power
+	  control interface.
+
 #
 # Backlight
 #