treewide: Correct spelling of successfully in comments

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/net/igbvf/mbx.c b/drivers/net/igbvf/mbx.c
index 3d6f4cc..048aae2 100644
--- a/drivers/net/igbvf/mbx.c
+++ b/drivers/net/igbvf/mbx.c
@@ -288,7 +288,7 @@
  *  @msg: The message buffer
  *  @size: Length of buffer
  *
- *  returns SUCCESS if it successfuly read message from buffer
+ *  returns SUCCESS if it successfully read message from buffer
  **/
 static s32 e1000_read_mbx_vf(struct e1000_hw *hw, u32 *msg, u16 size)
 {