mei: client.h fix checkpatch errors

Fix checkpatch error
return is not a function, parentheses are not required
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/mei/client.h

@@ -68,15 +68,15 @@ int mei_cl_flow_ctrl_reduce(struct mei_cl *cl);
  */
 static inline bool mei_cl_is_connected(struct mei_cl *cl)
 {
-	return (cl->dev &&
+	return  cl->dev &&
 		cl->dev->dev_state == MEI_DEV_ENABLED &&
-		cl->state == MEI_FILE_CONNECTED);
+		cl->state == MEI_FILE_CONNECTED;
 }
 static inline bool mei_cl_is_transitioning(struct mei_cl *cl)
 {
-	return (MEI_FILE_INITIALIZING == cl->state ||
+	return  MEI_FILE_INITIALIZING == cl->state ||
 		MEI_FILE_DISCONNECTED == cl->state ||
-		MEI_FILE_DISCONNECTING == cl->state);
+		MEI_FILE_DISCONNECTING == cl->state;
 }
 
 bool mei_cl_is_other_connecting(struct mei_cl *cl);