HID: logitech-dj: add support for 27 MHz mouse-only receivers

27 MHz mouse-only receivers send an unnumbered input report with the mouse
data, add special handling for this and add the c51b product-id to the
logi_dj_receivers table.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index bd2dcd7..621384f 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -762,6 +762,7 @@
 #define USB_DEVICE_ID_S510_RECEIVER_2	0xc517
 #define USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500	0xc512
 #define USB_DEVICE_ID_MX3000_RECEIVER	0xc513
+#define USB_DEVICE_ID_LOGITECH_27MHZ_MOUSE_RECEIVER	0xc51b
 #define USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER	0xc52b
 #define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER		0xc52f
 #define USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2	0xc532