Adds maintainers and documentation for MediaTek t7xx 5G WWAN modem
device driver.
Signed-off-by: NRicardo Martinez <ricardo.martinez@linux.intel.com>
Reviewed-by: NLoic Poulain <loic.poulain@linaro.org>
Reviewed-by: NIlpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: NSergey Ryazanov <ryazanov.s.a@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>