qcacld-3.0: Update NSS in case of legacy rate as well

Currently driver does not update NSS in legacy rate info case.
This results in incorrect NSS info in big data stats.

To address above issue, update nss in all the cases.

Change-Id: I40ddd8b22f8c4bf77fb4788e26fbd291b37d5830
CRs-Fixed: 3172829

core/hdd/src/wlan_hdd_stats.c

@@ -5341,6 +5341,7 @@ static void wlan_hdd_fill_os_rate_info(enum tx_rate_info rate_flags,
 				       uint8_t dcm,
 				       enum txrate_gi guard_interval)
 {
+	os_rate->nss = nss;
 	if (rate_flags & TX_RATE_LEGACY) {
 		os_rate->legacy = legacy_rate;
 		hdd_debug("Reporting legacy rate %d", os_rate->legacy);
@@ -5350,7 +5351,6 @@ static void wlan_hdd_fill_os_rate_info(enum tx_rate_info rate_flags,
 	/* assume basic BW. anything else will override this later */
 	hdd_set_rate_bw(os_rate, HDD_RATE_BW_20);
 	os_rate->mcs = mcs_index;
-	os_rate->nss = nss;
 
 	wlan_hdd_fill_os_he_rateflags(os_rate, rate_flags, dcm, guard_interval);