bcma: add helpers bringing PCIe hosted bus up / down

Bringing PCIe hosted bus up requires operating on host-related core.
Since we plan to support PCIe Gen 2 devices we should provide a helper
picking the correct one (PCIE or PCIE2).

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
diff --git a/drivers/bcma/bcma_private.h b/drivers/bcma/bcma_private.h
index ac6c5fc..351f4af 100644
--- a/drivers/bcma/bcma_private.h
+++ b/drivers/bcma/bcma_private.h
@@ -101,6 +101,8 @@
 
 /* driver_pci.c */
 u32 bcma_pcie_read(struct bcma_drv_pci *pc, u32 address);
+void bcma_core_pci_up(struct bcma_drv_pci *pc);
+void bcma_core_pci_down(struct bcma_drv_pci *pc);
 
 extern int bcma_chipco_watchdog_register(struct bcma_drv_cc *cc);