Fix compile errors in SGI console drivers (linux-next tree)

The below is the patch to replace blindly all possible places,
including Jack's fixes.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
(Reviewed and checked rather than blindly added)
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>