From: Paul Mundt <lethal@Linux-SH.ORG>

This does a bit of IDE cleanup (in preparation for the SuperH generic IDE host
driver).  This also adds SuperH to the list of platforms that are interested
in CONFIG_IDE_MAX_HWIFS.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>