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

This adds support for the SH-3's on-chip ADC (which is needed by things like
the touchscreen, etc.).
Signed-off-by: Andriy Skulysh <askulysh@image.kiev.ua>
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>