Add rk055hdmipi4m shield definition. This shield contains a 1080x720
display driven by an RM68200 IC, with a GT911 touch controller. The
display is supported by a 40 pin FFC connector present on NXP's RT1170
and RT595 EVKs.
Signed-off-by: Daniel DeGrasse <daniel.degrasse@nxp.com>
Daniel DeGrasse