bus: fsl-mc: add fsl_mc_allocator cleanup function

The userspace support for fsl-mc requires a fsl_mc_allocator
cleanup function. Add the needed function.
Signed-off-by: NIoana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/bus/fsl-mc/fsl-mc-allocator.c

@@ -646,3 +646,8 @@ int __init fsl_mc_allocator_driver_init(void)
 {
 	return fsl_mc_driver_register(&fsl_mc_allocator_driver);
 }
+
+void fsl_mc_allocator_driver_exit(void)
+{
+	fsl_mc_driver_unregister(&fsl_mc_allocator_driver);
+}

drivers/bus/fsl-mc/fsl-mc-private.h

@@ -525,6 +525,8 @@ void dprc_driver_exit(void);
 
 int __init fsl_mc_allocator_driver_init(void);
 
+void fsl_mc_allocator_driver_exit(void);
+
 void fsl_mc_init_all_resource_pools(struct fsl_mc_device *mc_bus_dev);
 
 void fsl_mc_cleanup_all_resource_pools(struct fsl_mc_device *mc_bus_dev);