staging: vt6655: vt6656: Fix typo in comments

Correct spelling typo in staging/vt6655 and staging/vt6656
Signed-off-by: NMasanari Iida <standby24x7@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6655/wcmd.c

@@ -233,7 +233,7 @@ s_vProbeChannel(
  *
  *
  * Return Value:
- *    A ptr to Tx frame or NULL on allocation failue
+ *    A ptr to Tx frame or NULL on allocation failure
  *
  -*/
 

drivers/staging/vt6656/wmgr.c

@@ -3095,7 +3095,7 @@ struct vnt_tx_mgmt *s_MgrMakeProbeResponse(struct vnt_private *pDevice,
  *
  *
  * Return Value:
- *    A ptr to frame or NULL on allocation failue
+ *    A ptr to frame or NULL on allocation failure
  *
 -*/