This patch splits the M28EVK device tree file into a common SoM
part and an EVK part. This is needed to make it easier for users
of the SoM to put it into different, non-reference baseboard.
Signed-off-by: NMarek Vasut <marex@denx.de>
Signed-off-by: NShawn Guo <shawn.guo@freescale.com>