samples: wifi: Add nRF70 tests to twister

Now that we have a build only mode, this ensures that nRF Wi-Fi driver
builds.

Signed-off-by: Chaitanya Tata <[email protected]>

Author: krish2718

samples/net/wifi/sample.yaml

@@ -41,3 +41,24 @@ tests:
       - nucleo_f767zi
     integration_platforms:
       - frdm_k64f
+  sample.net.wifi.nrf70dk:
+    extra_args: CONFIG_NRF_WIFI_BUILD_ONLY_MODE=y
+    platform_allow:
+      - nrf7002dk/nrf5340/cpuapp
+      - nrf7002dk/nrf5340/cpuapp/ns
+      - nrf7002dk/nrf5340/cpuapp/nrf7001
+      - nrf7002dk/nrf5340/cpuapp/nrf7001/ns
+    integration_platforms:
+      - nrf7002dk/nrf5340/cpuapp
+      - nrf7002dk/nrf5340/cpuapp/nrf7001
+  sample.net.wifi.nrf7002ek:
+    extra_args:
+      - CONFIG_NRF_WIFI_BUILD_ONLY_MODE=y
+      - SHIELD=nrf7002ek
+    platform_allow:
+      - nrf5340dk/nrf5340/cpuapp
+      - nrf5340dk/nrf5340/cpuapp/ns
+      - nucleo_h723zg
+    integration_platforms:
+      - nrf5340dk/nrf5340/cpuapp
+      - nucleo_h723zg