arm64: dts: s32g: Add USB device tree information for s32g2/s32g3

This adds the USB support for the s32g2 and s32g3 SoCs.

Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/e3e5041e-254d-44c3-b645-532d4d7a8f9e@sabinyo.mountain


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>