Adding Wi-Fi AP testcases to Apertis

https://phabricator.apertis.org/T8357

test-cases/wifi-wpa2-psk-accesspoint-setup.yaml

+metadata:
+  name: wifi-wpa2-psk-accesspoint-setup
+  format: "Apertis Test Definition 1.0"
+  image-types:
+    hmi: [ armhf ]
+  image-deployment:
+    - OSTree
+  type: functional
+  exec-type: manual
+  priority: critical
+  maintainer: "Apertis Project"
+  description: "Test WiFi WPA2-PSK access point (AP mode) is working in Apertis. Also check connection is re-established after rebooting the AP."
+
+  resources:
+    - "Two Wi-Fi USB dongles, https://www.apertis.org/reference_hardware/extras/"
+
+  pre-conditions:
+    - "Make sure to connect the Wi-Fi USB dongles to both target and SDK."
+
+  expected:
+    - "Check the same expected results as in wifi-wpa3-transition-mode-accesspoint-setup test case"
+
+run:
+  steps:
+    - "On the target device execute the below steps."
+    - "Set the configuration parameters for this test case:"
+    - $ WIFI_KEYMGMT="WPA-PSK"
+    - $ WIFI_80211W=1
+    - "Execute the steps as in wifi-wpa3-transition-mode-accesspoint-setup.yaml"