linux-phytec-ti

drm: atmel-hlcdc: add support for at91sam9n12 SoC

Describe capabilities of the HLCDC IP found on at91sam9n12 SoC and add a
new entry to the atmel_hlcdc_of_match table.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>