arm64: dts: imx8mm-cl-iot-gate-u-boot.dtsi: use common imx8mm-u-boot.dtsi

Use common imx8mm-u-boot.dtsi.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
2 files changed