IB/mthca: Fix section mismatch problems

Quite a few cleanup functions in mthca were marked as __devexit.
However, they could also be called from error paths during
initialization, so they cannot be marked that way.  Just delete all of
the incorrect annotations.

Signed-off-by: Roland Dreier <rolandd@cisco.com>

drivers/infiniband/hw/mthca/mthca_mcg.c

@@ -388,7 +388,7 @@ int __devinit mthca_init_mcg_table(struct mthca_dev *dev)
 	return 0;
 }
 
-void __devexit mthca_cleanup_mcg_table(struct mthca_dev *dev)
+void mthca_cleanup_mcg_table(struct mthca_dev *dev)
 {
 	mthca_alloc_cleanup(&dev->mcg_table.alloc);
 }