Staging: vt665*: fix typos concerning "management"

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/vt6656/power.c b/drivers/staging/vt6656/power.c
index 766c5be..5ff15bf 100644
--- a/drivers/staging/vt6656/power.c
+++ b/drivers/staging/vt6656/power.c
@@ -19,7 +19,7 @@
  *
  * File: power.c
  *
- * Purpose: Handles 802.11 power managment  functions
+ * Purpose: Handles 802.11 power management  functions
  *
  * Author: Lyndon Chen
  *