Data read direct from device tree properties will be in the device
tree's native endianness (i.e., big-endian).

This patch uses of_property_read_u32() to read the bus-width
property in host byte order instead.
Signed-off-by: NDave Martin <dave.martin@linaro.org>
Acked-by: NPawel Moll <pawel.moll@arm.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>