sysbuild: Move raw mode to be a subset of system mode

Wi-Fi raw mode operation is now a subset of system mode operation.
bring the raw mode out of Wi-Fi choice and bring it under the ambit
of system mode setting.

Signed-off-by: Vivekananda Uppunda <[email protected]>

Author: VivekUppunda

sysbuild/Kconfig.wifi

@@ -31,12 +31,15 @@ config WIFI_NRF70_OFFLOADED_RAW_TX
 config WIFI_NRF70_RADIO_TEST
 	bool "Radio test mode of the nRF700x driver"
 
+endchoice
+
+if WIFI_NRF70_SYSTEM_MODE
+
 config WIFI_NRF70_SYSTEM_WITH_RAW_MODES
-	bool "Enable nRF70 system mode with raw modes"
+	bool "Enable nRF70 system with raw modes"
 	help
-	  Select this option to enable system mode of the nRF700x driver with raw modes
-
-endchoice
+	  Select this option to enable nRF700x driver with raw modes
+endif
 
 choice WIFI_PATCHES_EXT_FLASH_SUPPORT
 	bool "nRF700x FW patch location"