Add the M325 to the hidpp20 driver

Not that we can configure much, but 0x1b00 sends 5 buttons, which is
the reality, so trying to include it too.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>

src/driver-hidpp20.c

@@ -478,6 +478,9 @@ static const struct ratbag_id hidpp20drv_table[] = {
 	/* T650 over unifying */
 	{ .id = LOGITECH_DEVICE(BUS_USB, 0x4101) },
 
+	/* M325 over unifying */
+	{ .id = LOGITECH_DEVICE(BUS_USB, 0x400a) },
+
 	{ },
 };