drivers: wifi: Fix RPU recovery disabled build failures

Fix RPU recovery protection to solve build failures when RPU recovery is
disabled.

As recovery is primarily based on power-management, add a Kconfig
dependency to enforce, this simplies the macros to protect the code.

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

drivers/wifi/nrfwifi/Kconfig.nrfwifi

@@ -655,6 +655,7 @@ config NRF_WIFI_AP_DEAD_DETECT_TIMEOUT
 
 config NRF_WIFI_RPU_RECOVERY
 	bool "RPU recovery mechanism"
+	depends on NRF_WIFI_LOW_POWER
 	select EXPERIMENTAL
 	help
 		Enable RPU recovery mechanism to recover from RPU (nRF70) hang.

drivers/wifi/nrfwifi/inc/fmac_main.h

@@ -146,8 +146,9 @@ enum nrf_wifi_status nrf_wifi_fw_load(void *rpu_ctx);
 #endif /* CONFIG_NRF_WIFI_BUILD_ONLY_MODE */
 #ifndef CONFIG_NRF70_OFFLOADED_RAW_TX
 struct nrf_wifi_vif_ctx_zep *nrf_wifi_get_vif_ctx(struct net_if *iface);
+#ifdef CONFIG_NRF_WIFI_RPU_RECOVERY
 void nrf_wifi_rpu_recovery_cb(void *vif_ctx,
 		void *event_data,
 		unsigned int event_len);
-#endif /* !CONFIG_NRF_WIFI_BUILD_ONLY_MODE */
+#endif /* CONFIG_NRF_WIFI_RPU_RECOVERY */
 #endif /* __ZEPHYR_FMAC_MAIN_H__ */