libmm-glib: add helper to get 3gpp facility from string

libmm-glib/mm-common-helpers.c

@@ -877,6 +877,16 @@ mm_common_get_apn_type_from_string (const gchar *str,
                                error);
 }
 
+MMModem3gppFacility
+mm_common_get_3gpp_facility_from_string (const gchar  *str,
+                                         GError      **error)
+{
+    return _flags_from_string (MM_TYPE_MODEM_3GPP_FACILITY,
+                               str,
+                               MM_MODEM_3GPP_FACILITY_NONE,
+                               error);
+}
+
 GArray *
 mm_common_oma_pending_network_initiated_sessions_variant_to_garray (GVariant *variant)
 {

libmm-glib/mm-common-helpers.h

@@ -88,6 +88,9 @@ MMBearerMultiplexSupport mm_common_get_multiplex_support_from_string (const gcha
 MMBearerApnType mm_common_get_apn_type_from_string (const gchar *str,
                                                     GError **error);
 
+MMModem3gppFacility mm_common_get_3gpp_facility_from_string (const gchar *str,
+                                                             GError **error);
+
 GArray          *mm_common_ports_variant_to_garray (GVariant *variant);
 MMModemPortInfo *mm_common_ports_variant_to_array  (GVariant *variant,
                                                  guint *n_ports);