Re-synce the device tree files from Linux 4.20 Signed-off-by: Adam Ford <aford173@gmail.com>
Sync dts from Linux 4.16 and also add u-boot specific dtsi for OMAPl138 board. Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com> Reviewed-by: Tom Rini <trini@konsulko.com>