The offb code did not take into account a remapped pci address.  Adding in
the pci_mem_offset fixed a DSI in offb.
Signed-off-by: Jake Moilanen <moilanen@austin.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>