can: ubs_8dev: use KBUILD_MODNAME instead of hard coded names

The driver uses the string "usb_8dev" to populate usb_driver::name and
can_bittiming_const::name. KBUILD_MODNAME also evaluates to
"ubs_8dev". Use KBUILD_MODNAME and get rid on the hardcoded string
names.
Signed-off-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Link: https://lore.kernel.org/all/20220726082707.58758-9-mailhol.vincent@wanadoo.frSigned-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

drivers/net/can/usb/usb_8dev.c

@@ -871,7 +871,7 @@ static const struct net_device_ops usb_8dev_netdev_ops = {
 };
 
 static const struct can_bittiming_const usb_8dev_bittiming_const = {
-	.name = "usb_8dev",
+	.name = KBUILD_MODNAME,
 	.tseg1_min = 1,
 	.tseg1_max = 16,
 	.tseg2_min = 1,
@@ -997,7 +997,7 @@ static void usb_8dev_disconnect(struct usb_interface *intf)
 }
 
 static struct usb_driver usb_8dev_driver = {
-	.name =		"usb_8dev",
+	.name =		KBUILD_MODNAME,
 	.probe =	usb_8dev_probe,
 	.disconnect =	usb_8dev_disconnect,
 	.id_table =	usb_8dev_table,