update STK3X1X driver

used in Xperia M2 and T3

Signed-off-by: Alin Jerpelea <alin.jerpelea@sonymobile.com>
video: backlight: add lm3630 driver
Tianchi: display porting
Flamingo: add platform
Eagle: add platform

Signed-off-by: Alin Jerpelea <alin.jerpelea@sonymobile.com>
Tianchi: Platform
Flamingo: display driver porting
Eagle: display driver porting