cherry-pick below patch:
ENGR00275004-4: power: sabresd_battery: add sabresd_battery driver
Add sabresd battery driver which based on Max8903 charger IC.
Signed-off-by: Robin Gong <b38343@freescale.com>
TODO: checkpatch warnings
Signed-off-by: Vipul Kumar <vipul_kumar@mentor.com>
(cherry picked from commit cf4e6e09dd)