ARM: dts: Add support for the cpuimx27 board from Eukrea and its baseboard

This patch adds support for the cpuimx27 board from Eukrea and its
baseboard. This change is intended to further remove non-DT support
for this board.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>