drivers: nrf_wifi: Disable LPM for radio test

This is only meant for operational modes not test modes.

Signed-off-by: Chaitanya Tata <Chaitanya.Tata@nordicsemi.no>

Author: krish2718

drivers/wifi/nrf_wifi/Kconfig.nrfwifi

@@ -150,6 +150,7 @@ endchoice
 
 config NRF_WIFI_LOW_POWER
 	bool "Low power mode in nRF Wi-Fi chipsets"
+	depends on !NRF70_RADIO_TEST
 	default y
 
 config NRF70_TCP_IP_CHECKSUM_OFFLOAD