bcma: add stub for bcma_bus_suspend()

.. and connect it up with the pci host bcma driver.

Now, the next step is to connect those bcma bus-level suspend/resume
functions to the actual bcma device suspend resume functions.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/bcma/host_pci.c b/drivers/bcma/host_pci.c
index 86dfeea..f59244e 100644
--- a/drivers/bcma/host_pci.c
+++ b/drivers/bcma/host_pci.c
@@ -242,7 +242,7 @@
 
 	bus->mapped_core = NULL;
 
-	return 0;
+	return bcma_bus_suspend(bus);
 }
 
 static int bcma_host_pci_resume(struct device *dev)