[ARM] 4209/1: S3C24XX: remove unnecessary includes of iomd.h

Machines in the S3C24XX architectures should not
be including <asm/hardware/iomd.h> as this is not
needed.

Also remove commented out includes

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>