qca-wifi: Add support to check NSS WiFi offload status

Add new command to check if NSS WiFi offload is enabled
or disabled

1. iwpriv wifiX g_nss_wifi_ol
2. cfg80211tool wifiX g_nss_wifi_ol

Change-Id: I0486874bbb794bbcc239f268833176dca8826b5b

tools/linux/cfg80211_ven_cmd.h

@@ -1247,6 +1247,8 @@ enum _ol_ath_param_t {
 	OL_ATH_PARAM_RNR_MEMBER_OF_ESS_24G_5G_CO_LOCATED = 461,
 	/* RNR stats */
 	OL_ATH_PARAM_RNR_STATS = 462,
+	/* NSS WiFi offload status */
+	OL_ATH_PARAM_NSS_WIFI_OFFLOAD_STATUS = 463,
 };
 
 #ifdef CONFIG_SUPPORT_LIBROXML
@@ -3226,6 +3228,8 @@ struct vendor_commands radio_vendor_cmds[] = {
 		OL_ATH_PARAM_SHIFT | OL_ATH_PARAM_RNR_MEMBER_OF_ESS_24G_5G_CO_LOCATED, GET_PARAM, 0},
 	{"get_rnr_stats",
 		OL_ATH_PARAM_SHIFT | OL_ATH_PARAM_RNR_STATS, GET_PARAM, 0},
+	{"g_nss_wifi_ol",
+		OL_ATH_PARAM_SHIFT | OL_ATH_PARAM_NSS_WIFI_OFFLOAD_STATUS, GET_PARAM, 0},
 };
 #endif
 #endif