Add new pmic pca9450 driver for i.mx8mn-evk board.
Signed-off-by: John Lee <john.lee@nxp.com>
Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Reviewed-by: Anson Huang <anson.huang@nxp.com>
(cherry picked from commit 2189979539bb9817d3d8bf0f5489f906d86e673f)