This is needed to support other localbus peripherals, such as
NAND on FSL UPM.
Signed-off-by: NDavid Woodhouse <dwmw2@infradead.org>
Signed-off-by: NAnton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>