semc/msm7x30: Fix mango key lights

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: I23072b5328df7e07711af376f5e0efd4a0119f04
Merge pull request #17 from mikeNG/mango-leds

semc/msm7x30: Fix mango key lights