Add the platform specific callback to control LCD panel and backlight
power.
Signed-off-by: NChaithrika U S <chaithrika@ti.com>
Acked-by: NKevin Hilman <khilman@deeprootsystems.com>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>