qmi_wwan/cdc_ether: add device IDs for Dell 5804 (Novatel E371) WWAN card

A rebranded Novatel E371 for AT&T's LTE bands.  qmi_wwan should drive this
device, while cdc_ether should ignore it.  Even though the USB descriptors
are plain CDC-ETHER that USB interface is a QMI interface.

Cc: <stable@vger.kernel.org>
Signed-off-by: Dan Williams <dcbw@redhat.com>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index 24fbec2..078795f 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -613,6 +613,13 @@
 	.driver_info = 0,
 },
 
+/* Dell Wireless 5804 (Novatel E371) - handled by qmi_wwan */
+{
+	USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x819b, USB_CLASS_COMM,
+			USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
+	.driver_info = 0,
+},
+
 /* AnyDATA ADU960S - handled by qmi_wwan */
 {
 	USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, USB_CLASS_COMM,