qcacmn: Fetch gain table idx from cfr event

Fetch agc gain table index from peer capture event
so that it can be populated to CFR metadata

Change-Id: Ic5e86d3947433be4218958badfdb8fc07acded89

wmi/src/wmi_unified_cfr_tlv.c

@@ -88,6 +88,9 @@ extract_cfr_peer_tx_event_param_tlv(wmi_unified_t wmi_handle, void *evt_buf,
 				(0xffff & chain_phase_ev->chain_phase[idx]);
 			peer_tx_event->agc_gain[idx] =
 				WMI_UNIFIED_AGC_GAIN_GET(chain_phase_ev, idx);
+			peer_tx_event->agc_gain_tbl_index[idx] =
+				WMI_UNIFIED_AGC_GAIN_TBL_IDX_GET(chain_phase_ev,
+								 idx);
 		}
 	}