New power_supply driver at driver/power which interfaces with the
axp20x mfd driver as a cell. Provides battery info, monitors for
changes, and generates alerts on temperature and capacity issues
Signed-off-by: NTodd Brandt <todd.e.brandt@linux.intel.com>
Acked-by: NJacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: NSebastian Reichel <sre@kernel.org>