qcacmn: Add RC index macro for Smart Antenna 320 MHz BW

Add Rate Code Index macro for Smart Antenna 320 MHz BW in per PPDU
stats processing path.

Change-Id: I880cbc5d54f333dc2f8938c1a4d3bd56b96b7a6e
CRs-Fixed: 3429317

dp/inc/cdp_txrx_cmn_struct.h

@@ -116,6 +116,8 @@
 #define CDP_DATA_NON_QOS_TID 16
 
 #define CDP_NUM_SA_BW 4
+/* Smart Antenna 320MHz BW Phy MAX Rate Code Index */
+#define CDP_SA_BW320_INX 4
 #define CDP_PERCENT_MACRO 100
 #define CDP_NUM_KB_IN_MB 1000
 /*

dp/wifi3.0/monitor/dp_mon.c

@@ -4168,7 +4168,7 @@ static void dp_process_ppdu_stats_user_cmpltn_common_tlv(
 
 	tag_buf++;
 	/* Extract 320MHz MAX PHY ratecode */
-	ppdu_user_desc->sa_max_rates[bw_iter] =
+	ppdu_user_desc->sa_max_rates[CDP_SA_BW320_INX] =
 		HTT_PPDU_STATS_USER_CMPLTN_COMMON_TLV_MAX_RATES_GET(*tag_buf);
 }