[BugFix][API-1039]add api to get sta dns info after sta conencted ap

Only Configure

Affected branch:MR3.0-xx && GSW3.0

Affected module:wifi

Is it addected on both ZXIC and MTK: only MTK

Self-test: Yes

Doc Update: YES

Change-Id: I828227ccd154ac017a9ce4a8a1eb9a264488631d
diff --git a/lib/liblynq-wifi6/include/libwifi6.h b/lib/liblynq-wifi6/include/libwifi6.h
index f99af3d..53006b8 100755
--- a/lib/liblynq-wifi6/include/libwifi6.h
+++ b/lib/liblynq-wifi6/include/libwifi6.h
@@ -235,7 +235,7 @@
 int lynq_get_connect_ap_rssi(lynq_wifi_index_e idx,int * rssi);
 int lynq_get_connect_ap_band(lynq_wifi_index_e idx,lynq_wifi_band_m * band);
 int lynq_get_connect_ap_ip(lynq_wifi_index_e idx,char *ip);
-
+int lynq_get_sta_connected_dns(lynq_wifi_index_e idx,char *dns);
 /*****add limit of connected ap device number 2022.10.12 by qs.xiong
  *
  *sta_number: