linux-phytec-fsl

ARM: samsung: move mfc device definition to s5p-dev-mfc.c

For a DT-only build we don't want to compile devs.c, but we do need
the mfc device, which is also referenced by the DT based platforms,
so move it all into one place.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>