workflows: Fix execution of samples/net/wifi

siwx917_rb4338a is not listed in the field "platform_allow" of
samples/net/wifi/sample.yaml. So we have to pass -K to twister for
execution of this test.

Wifi capability was also missed from siwx917_rb4338a.yaml.

Signed-off-by: Jérôme Pouiller <[email protected]>

Author: jerome-pouiller

.github/workflows/build.yml

@@ -44,4 +44,4 @@ jobs:
           EXTRA_TWISTER_FLAGS="--short-build-path -O/tmp/twister-out"
         fi
         west twister --test sample.basic.helloworld -p siwx917_rb4338a -v --inline-logs $EXTRA_TWISTER_FLAGS
-        west twister --test sample.net.wifi -p siwx917_rb4338a -v --inline-logs $EXTRA_TWISTER_FLAGS
+        west twister --test sample.net.wifi -p siwx917_rb4338a -v --inline-logs -K $EXTRA_TWISTER_FLAGS

.github/workflows/upstream-build.yml

@@ -57,4 +57,4 @@ jobs:
             EXTRA_TWISTER_FLAGS="--short-build-path -O/tmp/twister-out"
           fi
           west twister -T ../zephyr/samples -s sample.basic.helloworld -p siwx917_rb4338a -v --inline-logs $EXTRA_TWISTER_FLAGS
-          west twister -T ../zephyr/samples -s sample.net.wifi -p siwx917_rb4338a -v --inline-logs $EXTRA_TWISTER_FLAGS
+          west twister -T ../zephyr/samples -s sample.net.wifi -p siwx917_rb4338a -v --inline-logs -K $EXTRA_TWISTER_FLAGS

boards/silabs/radio_boards/siwx917_rb4338a/siwx917_rb4338a.yaml

@@ -11,4 +11,5 @@ toolchain:
 supported:
   - gpio
   - i2c
+  - wifi
 vendor: silabs