ARM: dts: imx6ul-pico: Convert to DRM bindings

Documentation/devicetree/bindings/display/mxsfb.txt states that
the current display bindings format used in this dts is deprecated.

Convert it to the preferred DRM bindings instead.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
1 file changed