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>

Author: krish2718

drivers/wifi/nrf700x/Kconfig

@@ -646,6 +646,7 @@ endchoice
 
 config NRF_WIFI_RPU_RECOVERY
 	bool "Enable RPU recovery mechanism"
+	depends on NRF_WIFI_LOW_POWER
 	select EXPERIMENTAL
 	default y
 	help

drivers/wifi/nrf700x/inc/fmac_main.h

@@ -127,8 +127,10 @@ enum nrf_wifi_status nrf_wifi_fmac_dev_add_zep(struct nrf_wifi_drv_priv_zep *drv
 enum nrf_wifi_status nrf_wifi_fmac_dev_rem_zep(struct nrf_wifi_drv_priv_zep *drv_priv_zep);
 enum nrf_wifi_status nrf_wifi_fw_load(void *rpu_ctx);
 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_RPU_RECOVERY */
 
 #endif /* __ZEPHYR_FMAC_MAIN_H__ */