arm64: dts: freescale: add support for NXP i.MX93 FRDM

arm64: dts: freescale: add support for NXP i.MX93 FRDM

The FRDM i.MX 93 development board is a low-cost and compact development
board featuring the i.MX93 applications processor.

It features:
- Dual Cortex-A55
- 2 GB LPDDR4X / LPDDR4
- 32 GB eMMC5.1
- MicroSD slot
- GbE RJ45 x 2
- USB2.0 1x Type C, 1x Type A

This file is based upon the one provided by nxp in their own kernel and
yocto meta layer for the device, but adapted for mainline.

Signed-off-by: Haidong Zheng <haidong.zheng@nxp.com>
Signed-off-by: Danwei Luo <danwei.luo@nxp.com>
Signed-off-by: Lei Xu <lei.xu@nxp.com>
Signed-off-by: Fabian Pflug <f.pflug@pengutronix.de>
Reviewed-by: Francesco Valla <francesco@valla.it>
Tested-by: Francesco Valla <francesco@valla.it>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>