Move the request/ioremap of regions related to event handling into
mthca_eq.c.  Map the correct regions depending on whether we're in
Tavor or native mem-free mode.
Signed-off-by: Roland Dreier <roland@topspin.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>