bcma: support bringing up bus hosted on PCIe Gen 2

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

diff --cc drivers/bcma/bcma_private.h
Simple merge

diff --cc drivers/bcma/driver_pcie2.c
Simple merge

diff --cc drivers/bcma/host_pci.c
Simple merge

diff --cc include/linux/bcma/bcma_driver_pcie2.h
Simple merge