wifi(implementation): Support multiple ifaces of same type

Making all of the iface object fields in WifiChip to vectors to support
multiple ifaces of the same type.

Bug: 65671875
Test: Device boots up and connects to wifi networks.
Change-Id: I4c0c927c0269e54210cc1f81203c1797d72e969c
diff --git a/wifi/1.2/default/wifi_nan_iface.cpp b/wifi/1.2/default/wifi_nan_iface.cpp
index 1d786e3..7a597ae 100644
--- a/wifi/1.2/default/wifi_nan_iface.cpp
+++ b/wifi/1.2/default/wifi_nan_iface.cpp
@@ -489,6 +489,8 @@
 
 bool WifiNanIface::isValid() { return is_valid_; }
 
+std::string WifiNanIface::getName() { return ifname_; }
+
 std::set<sp<IWifiNanIfaceEventCallback>> WifiNanIface::getEventCallbacks() {
     return event_cb_handler_.getCallbacks();
 }