Patch from Lucas Correia Villa Real

This patch adds s3c2400.h, fixing the build for the 2410/2440
platforms.
Signed-off-by: NLucas Correia Villa Real <lucasvr@gobolinux.org>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>