mei: fix KDoc documentation formatting

Fix Kdoc documentation formatting warnings
genertaed by ./scripts/kernel-doc

Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c
index 76ef8ff..52d7f42 100644
--- a/drivers/misc/mei/init.c
+++ b/drivers/misc/mei/init.c
@@ -56,11 +56,11 @@
 
 
 /**
- * mei_cancel_work. Cancel mei background jobs
+ * mei_cancel_work - Cancel mei background jobs
  *
  * @dev: the device structure
  *
- * returns 0 on success or < 0 if the reset hasn't succeeded
+ * Return: 0 on success or < 0 if the reset hasn't succeeded
  */
 void mei_cancel_work(struct mei_device *dev)
 {
@@ -175,7 +175,7 @@
  *
  * @dev: the device structure
  *
- * returns 0 on success, <0 on failure.
+ * Return: 0 on success, <0 on failure.
  */
 int mei_start(struct mei_device *dev)
 {
@@ -244,7 +244,7 @@
  *
  * @dev: the device structure
  *
- * returns 0 on success or -ENODEV if the restart hasn't succeeded
+ * Return: 0 on success or -ENODEV if the restart hasn't succeeded
  */
 int mei_restart(struct mei_device *dev)
 {
@@ -325,7 +325,7 @@
  *
  * @dev: the device structure
  *
- * returns true of there is no pending write
+ * Return: true of there is no pending write
  */
 bool mei_write_is_idle(struct mei_device *dev)
 {