Encountered a problem of CME ERROR 14: SIM busy on Alcatel and Huawei modem.
The Huawei modem has a ^SIMST unsollicited sim state indication, but not all
Huawei modems support this.
So poll the SIM state, as was already done for ZTE modems.
FALSE, cbd, g_free);
return;
case OFONO_VENDOR_ZTE:
+ case OFONO_VENDOR_ALCATEL:
+ case OFONO_VENDOR_HUAWEI:
/*
* On ZTE modems, after pin is entered, SIM state is checked
* by polling CPIN as their modem doesn't provide unsolicited