dts:arm64:tanaro: Add devicetree files from 5.10 kernel

Copy the files from the 5.10 kernel, except for imx8mm.dtsi and imx8mm-pinfunc.h which come from the freescale devicetree directory in the 5.15 kernel.

assigned to @tobias.poganiuch

merged

mentioned in commit clea-os/bsp/nxp/linux-seco-imx@3f0ae7aa

mentioned in commit clea-os/layers/seco/meta-seco-imx@0a16079e

mentioned in commit clea-os/seco-manifest@403ab717

mentioned in commit clea-os/bsp/nxp/linux-seco-imx@3e5ccdb8