IB/mthca: Whitespace cleanups

Remove trailing whitespace and fix indentation that with spaces
instead of tabs.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.h b/drivers/infiniband/hw/mthca/mthca_cmd.h
index 3473b82..a8da84b 100644
--- a/drivers/infiniband/hw/mthca/mthca_cmd.h
+++ b/drivers/infiniband/hw/mthca/mthca_cmd.h
@@ -74,9 +74,9 @@
 	MTHCA_CMD_STAT_REG_BOUND      = 0x21,
 	/* HCA local attached memory not present: */
 	MTHCA_CMD_STAT_LAM_NOT_PRE    = 0x22,
-        /* Bad management packet (silently discarded): */
+	/* Bad management packet (silently discarded): */
 	MTHCA_CMD_STAT_BAD_PKT 	      = 0x30,
-        /* More outstanding CQEs in CQ than new CQ size: */
+	/* More outstanding CQEs in CQ than new CQ size: */
 	MTHCA_CMD_STAT_BAD_SIZE       = 0x40
 };