qcacmn: support RX MCS12-13 rates in FW RX pdev stats

support RX MCS12-13 rates in FW RX pdev stats

Change-Id: Idfe41884a9034eb30f792110ba747eb06cd0261d
CRs-Fixed: 3380204

dp/wifi3.0/dp_stats.c

@@ -3775,6 +3775,12 @@ static void dp_print_rx_pdev_rate_stats_tlv(struct dp_pdev *pdev,
 				DP_MAX_STRING_LEN - index,
 				" %u:%u,", i, dp_stats_buf->rx_mcs[i]);
 	}
+	for (i = 0; i <  DP_HTT_RX_MCS_EXT_LEN; i++) {
+		index += qdf_snprint(&str_buf[index],
+				DP_MAX_STRING_LEN - index,
+				" %u:%u,", i + DP_HTT_RX_MCS_LEN,
+				dp_stats_buf->rx_mcs_ext[i]);
+	}
 	DP_PRINT_STATS("rx_mcs = %s ", str_buf);
 
 	index = 0;