net: usb: qmi_wwan: add support for DW5816e

[ Upstream commit 57c7f2bd758eed867295c81d3527fff4fab1ed74 ]

Add support for Dell Wireless 5816e to drivers/net/usb/qmi_wwan.c

Signed-off-by: Matt Jolly <Kangie@footclan.ninja>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>