imx8mm-phg: Add board support

Add the board support for the i.MX8MM Cloos PHG board.

This board uses a imx8mm-tqma8mqml SoM from TQ-Group.

imx8mm-phg.dts and imx8mm-tqma8mqml.dtsi are taken
directly from Linux 6.2-rc3.

Signed-off-by: Fabio Estevam <festevam@denx.de>
Reviewed-by: Tom Rini <trini@konsulko.com>
18 files changed