qcacmn: Report per chain AGC gain table index

Report the per chain AGC gain table index used as
part of cfr_meta_data. Add new fields in metadata
accordingly.

Change-Id: I40673f856b1a1ebb0a4a69bf44d4e0817db9cd6f

umac/cfr/dispatcher/inc/wlan_cfr_utils_api.h

@@ -185,6 +185,7 @@ struct dbr_cfr_metadata {
 	u_int32_t   rx_start_ts;
 	u_int16_t   mcs_rate;
 	u_int16_t   gi_type;
+	u_int8_t    agc_gain_tbl_index[HOST_MAX_CHAINS];
 } __attribute__ ((__packed__));
 
 #ifdef WLAN_ENH_CFR_ENABLE
@@ -227,6 +228,7 @@ struct enh_cfr_metadata {
 	u_int16_t   mcs_rate;
 	u_int16_t   gi_type;
 	struct cfr_su_sig_info sig_info;
+	u_int8_t    agc_gain_tbl_index[HOST_MAX_CHAINS];
 } __attribute__ ((__packed__));
 #endif