ARM: dts: imx7d: Add opp-suspend property

Add "opp-suspend" property for i.MX7D to make sure system
suspend with max available opp.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
1 file changed