Derived from TX28 board code (tx28-stk5.c). Signed-off-by: Allan Heldgaard <allan.heldgaard@prevas.dk> Signed-off-by: Esben Haabendal <esben.haabendal@prevas.dk> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>