net: qmi_wwan: Add SIMCom 7230E

commit 18715b26 upstream.

SIMCom 7230E is a QMI LTE module with support for most "normal" bands.
Manual testing has showed that only interface five works.

Cc: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Kristian Evensen <kristian.evensen@gmail.com>
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>