arm: dts: imx8qm: add lpuart1, lpuart2, lpuart3, lpuart4

Add support for lpuart1, lpuart2, lpuart3 and lpuart4.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Max Krummenacher <max.krummenacher@toradex.com>
1 file changed