- added new function i2o_msg_in_to_virt and i2o_msg_out_to_virt, to turn an
  I2O message to a virtual address (original from Alan Cox)

- replaced readl with le32_to_cpu where it is not necessary (original from
  Alan Cox)
Signed-off-by: Markus Lidel <Markus.Lidel@shadowconnect.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>