drivers: nrf_wifi: Fix NRF71 build

NRF71 doesn't have direct memory access, so, disabled the rpu stats
memory variant.

Signed-off-by: Chaitanya Tata <Chaitanya.Tata@nordicsemi.no>
diff --git a/drivers/wifi/nrf_wifi/src/wifi_util.c b/drivers/wifi/nrf_wifi/src/wifi_util.c
index 57bda1f..4a83094 100644
--- a/drivers/wifi/nrf_wifi/src/wifi_util.c
+++ b/drivers/wifi/nrf_wifi/src/wifi_util.c
@@ -14,8 +14,10 @@
 #include "fmac_main.h"
 #include "wifi_util.h"
 
+#ifndef CONFIG_NRF71_ON_IPC
 #include "rpu_lmac_phy_stats.h"
 #include "rpu_umac_stats.h"
+#endif
 
 extern struct nrf_wifi_drv_priv_zep rpu_drv_priv_zep;
 struct nrf_wifi_ctx_zep *ctx = &rpu_drv_priv_zep.rpu_ctx_zep;
@@ -973,6 +975,7 @@
 }
 #endif /* CONFIG_NRF_WIFI_RPU_RECOVERY */
 
+#ifndef CONFIG_NRF71_ON_IPC
 static int nrf_wifi_dump_stats(const struct shell *sh,
 				   struct nrf_wifi_hal_dev_ctx *hal_dev_ctx,
 				   const char *name,
@@ -1010,6 +1013,7 @@
 	return ret;
 }
 
+
 static int nrf_wifi_util_dump_rpu_stats_mem(const struct shell *sh,
 					size_t argc,
 					const char *argv[])
@@ -1095,6 +1099,7 @@
 	k_mutex_unlock(&ctx->rpu_lock);
 	return ret;
 }
+#endif /* !CONFIG_NRF71_ON_IPC */
 
 SHELL_STATIC_SUBCMD_SET_CREATE(
 	nrf70_util,
@@ -1199,6 +1204,7 @@
 		      1,
 		      0),
 #endif /* CONFIG_NRF_WIFI_RPU_RECOVERY */
+#ifndef CONFIG_NRF71_ON_IPC
 	SHELL_CMD_ARG(rpu_stats_mem,
 		      NULL,
 		      "Display RPU stats by reading from memory "
@@ -1206,6 +1212,7 @@
 		      nrf_wifi_util_dump_rpu_stats_mem,
 		      1,
 		      1),
+#endif /* !CONFIG_NRF71_ON_IPC */
 	SHELL_SUBCMD_SET_END);
 
 
diff --git a/drivers/wifi/nrf_wifi/src/wifi_util.h b/drivers/wifi/nrf_wifi/src/wifi_util.h
index 303d5fe..a2490a1 100644
--- a/drivers/wifi/nrf_wifi/src/wifi_util.h
+++ b/drivers/wifi/nrf_wifi/src/wifi_util.h
@@ -14,7 +14,11 @@
 #include <zephyr/shell/shell.h>
 #include <zephyr/init.h>
 #include <ctype.h>
+#ifdef CONFIG_NRF71_ON_IPC
+#include <nrf71_wifi_ctrl.h>
+#else
 #include <host_rpu_sys_if.h>
+#endif
 #include <common/fmac_structs_common.h>
 #include <queue.h>