arm: dts: imx8mm: move firmware/optee node to common imx8mm-u-boot.dtsi

Move the firmware/optee node to the common imx8mm-u-boot.dtsi and
protect it with an ifdef CONFIG_OPTEE as it is a meaningless node
without the optee driver enabled.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Fabio Estevam <festevam@denx.de>
Reviewed-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
7 files changed