serial: altera_jtaguart: Use KBUILD_MODNAME

There is no need to redefine the driver name. Use KBUILD_MODNAME and get
rid of DRV_NAME altogether.

Suggested-by: Greg Kroah-Hartman <[e-mail]>
Link: https://lore.kernel.org/linux-serial/2024120337-unending-renewed-8e7e@gregkh/
Signed-off-by: Tobias Klauser <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/tty/serial/altera_jtaguart.c

···
 #include <linux/io.h>
 #include <linux/altera_jtaguart.h>
 
-#define DRV_NAME "altera_jtaguart"
-
 /*
  * Altera JTAG UART register definitions according to the Altera JTAG UART
  * datasheet: https://www.altera.com/literature/hb/nios2/n2cpu_nii51009.pdf
···
 
 static struct uart_driver altera_jtaguart_driver = {
 	.owner		= THIS_MODULE,
-	.driver_name	= "altera_jtaguart",
+	.driver_name	= KBUILD_MODNAME,
 	.dev_name	= "ttyJ",
 	.major		= ALTERA_JTAGUART_MAJOR,
 	.minor		= ALTERA_JTAGUART_MINOR,
···
 	.probe	= altera_jtaguart_probe,
 	.remove = altera_jtaguart_remove,
 	.driver	= {
-		.name		= DRV_NAME,
+		.name		= KBUILD_MODNAME,
 		.of_match_table	= of_match_ptr(altera_jtaguart_match),
 	},
 };
···
 MODULE_DESCRIPTION("Altera JTAG UART driver");
 MODULE_AUTHOR("Thomas Chou <[e-mail]>");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:" DRV_NAME);
+MODULE_ALIAS("platform:" KBUILD_MODNAME);