samples: wifi: radio_test: Disable combo build by default

Default build should be Wi-Fi radio test and the Wi-Fi and ble
combo build should be enabled via sysbuild Kconfig symbol.

Signed-off-by: Bansidhar P.M <[email protected]>

Author: bama-nordic

samples/wifi/radio_test/Kconfig.sysbuild

@@ -8,8 +8,7 @@ menu "Network core configuration"
 	depends on SUPPORT_NETCORE
 
 config SUPPORT_NETCORE_PERIPHERAL_RADIO_TEST
-	bool
-	default y
+	bool "wi-fi ble radio test combo build"
 
 choice NETCORE
 	prompt "Netcore image"

samples/wifi/radio_test/sample.yaml

@@ -21,15 +21,15 @@ tests:
   sample.nrf7002.radio_test_combo:
     sysbuild: true
     build_only: true
-    extra_args: CONFIG_NRF70_RADIO_TEST_COMBO=y
+    extra_args: SB_CONFIG_SUPPORT_NETCORE_PERIPHERAL_RADIO_TEST=y
     integration_platforms:
       - nrf7002dk/nrf5340/cpuapp
     platform_allow: nrf7002dk/nrf5340/cpuapp
     tags: ci_build sysbuild ci_samples_wifi
   sample.nrf5340.radio_test_combo:
     sysbuild: true
     build_only: true
-    extra_args: SHIELD=nrf7002ek CONFIG_NRF70_RADIO_TEST_COMBO=y
+    extra_args: SHIELD=nrf7002ek SB_CONFIG_SUPPORT_NETCORE_PERIPHERAL_RADIO_TEST=y
     integration_platforms:
       - nrf5340dk/nrf5340/cpuapp
     platform_allow: nrf5340dk/nrf5340/cpuapp