fix(wifi_remote): Added more netif options for eppp connection

Configurable in Kconfig:
* routing priority
* netif description

components/esp_wifi_remote/Kconfig.rpc.in

@@ -30,6 +30,23 @@ endchoice
             help
                 Pin number of UART RX.
 
+        config ESP_WIFI_REMOTE_EPPP_NETIF_PRIORITY
+            int "Routing priority of eppp netif"
+            default 100
+            range 0 256
+            help
+                Set the priority of the wifi-remote netif.
+                The bigger the number the higher the priority.
+                The interface which is up and with the highest priority will act as a default GW.
+
+        config ESP_WIFI_REMOTE_EPPP_NETIF_DESCRIPTION
+            string "eppp network interface description"
+            default "example_netif_sta"
+            help
+                Textual description of the wifi remote network interface.
+                By default it is set to "example_netif_sta" to be used in IDF protocol example
+                as default wifi station substitution.
+
         config ESP_WIFI_REMOTE_EPPP_SERVER_CA
             string "Servers CA certificate"
             default "--- Please copy content of the CA certificate ---"

components/esp_wifi_remote/eppp/eppp_init.c

@@ -16,5 +16,7 @@ __attribute__((weak)) esp_netif_t *wifi_remote_eppp_init(eppp_type_t role)
     config.transport = EPPP_TRANSPORT_UART;
     config.uart.tx_io = CONFIG_ESP_WIFI_REMOTE_EPPP_UART_TX_PIN;
     config.uart.rx_io = CONFIG_ESP_WIFI_REMOTE_EPPP_UART_RX_PIN;
+    config.ppp.netif_description = CONFIG_ESP_WIFI_REMOTE_EPPP_NETIF_DESCRIPTION;
+    config.ppp.netif_prio = CONFIG_ESP_WIFI_REMOTE_EPPP_NETIF_PRIORITY;
     return eppp_open(role, &config, portMAX_DELAY);
 }