pcengines/alix2c: Add ALIX.2C as a clone of ALIX.2D.

According to vendor (Pascal Dornier) they're the same from coreboot
perspective.

Change-Id: I43aeb77f21c251b3d9c5c2dcfa01d4d1de0bc87b
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/5114
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
4 files changed