Sync the imx6sx dts files with kernel 5.4.16. Signed-off-by: Fabio Estevam <festevam@gmail.com>
Add dts for mx6sxsabreauto board. dts related files imported fro Linux (commit e5517c2a5a4). Signed-off-by: Peng Fan <peng.fan@nxp.com> Cc: Stefano Babic <sbabic@denx.de>