ufs: Allow mmio registers on the PCI bus

Check if the UFS controller is on the PCI bus, and get its register
base address accordingly.

Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Neha Malcom Francis <n-francis@ti.com>
1 file changed