[nrf fromtree] wifi: shell: Display RSSI only for station mode

RSSI makes sense only for modes that have a single peer, so, add a
station mode check.

Signed-off-by: Chaitanya Tata <[email protected]>
(cherry picked from commit eaba474)

Author: krish2718

subsys/net/l2/wifi/wifi_shell.c

@@ -656,7 +656,9 @@ static int cmd_wifi_status(const struct shell *sh, size_t argc, char *argv[])
 				wifi_security_txt(status.security));
 		shell_fprintf(sh, SHELL_NORMAL, "MFP: %s\n",
 				wifi_mfp_txt(status.mfp));
-		shell_fprintf(sh, SHELL_NORMAL, "RSSI: %d\n", status.rssi);
+		if (status.iface_mode == WIFI_MODE_INFRA) {
+			shell_fprintf(sh, SHELL_NORMAL, "RSSI: %d\n", status.rssi);
+		}
 		shell_fprintf(sh, SHELL_NORMAL, "Beacon Interval: %d\n", status.beacon_interval);
 		shell_fprintf(sh, SHELL_NORMAL, "DTIM: %d\n", status.dtim_period);
 		shell_fprintf(sh, SHELL_NORMAL, "TWT: %s\n",