ioctl: add support for ECCGETSTATS and MEMGETREGIONINFO
Support added for ioctl of ECCGETSTATS and MEMGETREGIONINFO.
Fix default handling in core.c to return -EINVAL, if request
was unknown.
Signed-off-by: Alexander Aring <a.aring@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>