serial: 8250_platform: Tidy up ACPI ID table

Tidy up ACPI ID table:
- remove explicit driver_data initializer
- drop comma in the terminator entry
- use C comment style
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240812154901.1068407-5-andriy.shevchenko@linux.intel.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/8250/8250_platform.c

@@ -262,8 +262,8 @@ static int serial8250_resume(struct platform_device *dev)
 }
 
 static const struct acpi_device_id acpi_platform_serial_table[] = {
-	{ "RSCV0003", 0 }, // RISC-V Generic 16550A UART
-	{ },
+	{ "RSCV0003" }, /* RISC-V Generic 16550A UART */
+	{ }
 };
 MODULE_DEVICE_TABLE(acpi, acpi_platform_serial_table);