net: qmi_wwan: new devices: UML290 and K5006-Z

Newer firmware versions for the Pantech UML290 use a different
subclass ID.  The Windows driver match on both IDs, so we do
that as well.

The ZTE (Vodafone) K5006-Z is a new device.

Cc: Dan Williams <dcbw@redhat.com>
Cc: Thomas Schäfer <tschaefer@t-online.de>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>