staging: vc04_services: fix typos

Some words are misspelled. Fix typos.
Signed-off-by: Keerthi Reddy <keerthigd4990@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vc04_services/bcm2835-camera/mmal-msg.h

@@ -70,7 +70,7 @@ enum mmal_msg_type {
 
 /* port action request messages differ depending on the action type */
 enum mmal_msg_port_action_type {
-	MMAL_MSG_PORT_ACTION_TYPE_UNKNOWN = 0,      /* Unkown action */
+	MMAL_MSG_PORT_ACTION_TYPE_UNKNOWN = 0,      /* Unknown action */
 	MMAL_MSG_PORT_ACTION_TYPE_ENABLE,           /* Enable a port */
 	MMAL_MSG_PORT_ACTION_TYPE_DISABLE,          /* Disable a port */
 	MMAL_MSG_PORT_ACTION_TYPE_FLUSH,            /* Flush a port */

drivers/staging/vc04_services/interface/vchi/vchi.h

@@ -187,7 +187,7 @@ extern int32_t vchi_service_create( VCHI_INSTANCE_T instance_handle,
                                     SERVICE_CREATION_T *setup,
                                     VCHI_SERVICE_HANDLE_T *handle );
 
-// Routine to destory a service
+// Routine to destroy a service
 extern int32_t vchi_service_destroy( const VCHI_SERVICE_HANDLE_T handle );
 
 // Routine to open a named service