With this, mc13783 subsystems drivers can configure the mc13783 chip
reading and writing registers.
Signed-off-by: NAlberto Panizzo <maramaopercheseimorto@gmail.com>
Acked-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>