ARM: dts: imx7ulp: add mmdc support

i.MX7ULP has a MMDC module to control DDR, it reuses
i.MX6Q's MMDC module, add support for it.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
1 file changed