Add BMA250 and AKM8963 sensor drivers

Signed-off-by: varunchitre15 <varun.chitre15@gmail.com>

Conflicts:
	drivers/input/misc/Kconfig
	drivers/input/misc/Makefile
Power key fixes from Sony

Signed-off-by: varunchitre15 <varun.chitre15@gmail.com>

Conflicts:
	drivers/input/misc/pmic8xxx-pwrkey.c