ARM: dts: dove: add DT LCD controllers

Add the DT fragment for the Marvell Dove LCD controllers.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Link: https://lkml.kernel.org/r/E1XAKGS-0004WE-8h@rmk-PC.arm.linux.org.uk


Signed-off-by: Jason Cooper <jason@lakedaemon.net>