[PATCH] rioboot: post-Lindent

After the indent we can now clean up unused code, and fix all myriad cases
that don't use readb/writeb properly.
Signed-off-by: NAlan Cox <alan@redhat.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>