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>

drivers/bcma/main.c

@@ -241,6 +241,11 @@ int __init bcma_bus_early_register(struct bcma_bus *bus,
 }
 
 #ifdef CONFIG_PM
+int bcma_bus_suspend(struct bcma_bus *bus)
+{
+	return 0;
+}
+
 int bcma_bus_resume(struct bcma_bus *bus)
 {
 	struct bcma_device *core;