Avoid to get platform_data from parent device. Get it from mfd cell
device instead.
Signed-off-by: NHaojian Zhuang <haojian.zhuang@marvell.com>
Acked-by: NAnton Vorontsov <cbou@mail.ru>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>