uboot-imx

pci: Don't use pci_indirect when DM is active

Declaration of indirect PCI bridges is not compatible with DM: Both
define PCI operations, but in different ways. Hence, don't use indirect
bridges if DM is active.

Signed-off-by: Mario Six <mario.six@gdsys.cc>
Reviewed-by: Simon Glass <sjg@chromium.org>