tests: net: wifi: config: Actually disable advanced features

The test was supposed to disable the default enabled
CONFIG_WIFI_NM_WPA_SUPPLICANT_ADVANCED_FEATURES instead of enabling it.

Signed-off-by: Pieter De Gendt <[email protected]>

Author: pdgendt

tests/net/wifi/configs/testcase.yaml

@@ -65,7 +65,7 @@ tests:
       - CONFIG_WIFI_NM_WPA_SUPPLICANT_DPP=y
   wifi.build.disable_advanced_feat:
     extra_configs:
-      - CONFIG_WIFI_NM_WPA_SUPPLICANT_ADVANCED_FEATURES=y
+      - CONFIG_WIFI_NM_WPA_SUPPLICANT_ADVANCED_FEATURES=n
   wifi.build.enterprise_runtime:
     extra_configs:
       - CONFIG_WIFI_SHELL_RUNTIME_CERTIFICATES=y