tests: wifi: configs: Add a test for disable of advanced features

This feature is handy to free up some memory, so, make sure it always
builds.

Signed-off-by: Chaitanya Tata <Chaitanya.Tata@nordicsemi.no>

Author: krish2718

tests/net/wifi/configs/testcase.yaml

@@ -53,3 +53,6 @@ tests:
   wifi.build.dpp:
     extra_configs:
       - CONFIG_WIFI_NM_WPA_SUPPLICANT_DPP=y
+  wifi.build.disable_advanced_feat:
+    extra_configs:
+      - CONFIG_WIFI_NM_WPA_SUPPLICANT_ADVANCED_FEATURES=y