wifi: shell: Print beacon interval and DTIM period

Print beacon interval and DTIM period as part of Wi-Fi
status output.

Signed-off-by: Ravi Dondaputi <[email protected]>

Author: rado17

include/zephyr/net/wifi_mgmt.h

@@ -180,6 +180,8 @@ struct wifi_iface_status {
 	enum wifi_security_type security;
 	enum wifi_mfp_options mfp;
 	int rssi;
+	unsigned short dtim_period;
+	unsigned char beacon_interval;
 };
 
 struct wifi_ps_params {

subsys/net/l2/wifi/wifi_shell.c

@@ -370,6 +370,8 @@ static int cmd_wifi_status(const struct shell *sh, size_t argc, char *argv[])
 		shell_fprintf(sh, SHELL_NORMAL, "MFP: %s\n",
 				wifi_mfp_txt(status.mfp));
 		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);
 	}
 
 	return 0;