PCI: iproc: Rename iproc_pcie_bcma_ to iproc_bcma_pcie_

Rename iproc_pcie_bcma_* to iproc_bcma_pcie_* for consistency with other
drivers.  No functional change intended.

Link: https://lore.kernel.org/r/20211223011054.1227810-12-helgaas@kernel.org


Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Scott Branden <sbranden@broadcom.com>