Add support for Eukrea CPUIMX35 ...

this modules is based on Freescale's i.MX357 CPU, with 128MB of
mDDR, 256 MB NAND, and ethernet PHY.

Signed-off-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>