tree 96eb2c38058d07723bdecd4f03424f2c00f0fff0
parent 38add83af4a373f934ce9337514b36db1e6f24b2
author Bai Ping <ping.bai@nxp.com> 1537950860 +0800
committer Jacky Bai <ping.bai@nxp.com> 1548413477 +0800

imx8mm: Add ddr4 retention support for imx8m

Add ddr4 retention flow for imx8m.

Signed-off-by: Bai Ping <ping.bai@nxp.com>
(cherry picked from commit e6db8a671bf8bbc107925243e394b6c5eb609fe2)