staging: ccg: rename ccg init and exit functions to conventional names

Previous names of init and exit functions "init" and "cleanup" are
unconventional and are not friendly for source navigation with tags.
New names "ccg_init" and "ccg_exit" are conveninal and source navigation
friendly.
Signed-off-by: Constantine Shulyupin <const@MakeLinux.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/ccg/ccg.c

@@ -1239,7 +1239,7 @@ static int ccg_create_device(struct ccg_dev *dev)
 }
 
 
-static int __init init(void)
+static int __init ccg_init(void)
 {
 	struct ccg_dev *dev;
 	int err;
@@ -1280,13 +1280,13 @@ static int __init init(void)
 
 	return err;
 }
-module_init(init);
+module_init(ccg_init);
 
-static void __exit cleanup(void)
+static void __exit ccg_exit(void)
 {
 	usb_composite_unregister(&ccg_usb_driver);
 	class_destroy(ccg_class);
 	kfree(_ccg_dev);
 	_ccg_dev = NULL;
 }
-module_exit(cleanup);
+module_exit(ccg_exit);