usb: gadget: dummy_hcd: remove useless cast for driver.name

device_driver name is const char pointer, so it not useful to cast
driver_name (which is already const char).

Signed-off-by: Corentin Labbe <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/usb/gadget/udc/dummy_hcd.c

···
 	.suspend	= dummy_udc_suspend,
 	.resume		= dummy_udc_resume,
 	.driver		= {
-		.name	= (char *) gadget_name,
+		.name	= gadget_name,
 	},
 };
 
···
 	.suspend	= dummy_hcd_suspend,
 	.resume		= dummy_hcd_resume,
 	.driver		= {
-		.name	= (char *) driver_name,
+		.name	= driver_name,
 	},
 };