drivers: bettery: add msm8660 battery drivers

Change-Id: I38a4f12253b63c1fdfde89550864a355d2a712af
a2220: add msm8660 specific firmware

Change-Id: I2743a30f755ddaae0ce123fece5426122ad4b054
drivers: add misc msm8660 drivers

Change-Id: If35458443faadd353523d5ae65af1b4f02339595
drivers: i2c: import msm8660 drivers

Change-Id: I09acdc11429bf129b8dc6827f54f69845efb2e3b
drivers: input: import drivers for msm8660

Change-Id: I83ece3ac47898f8e3e9e5b2bacf5fe643b27ae43