qcacmn: Fill antenna gain in master channel list

Antenna gain is per regulatory structure. However we need it in
per channel during transmission. Firmware sends antenna gain per
regulatory rule. Host copies it to per channel structure.

Change-Id: Ia163f46facec03ccd450994acbeb28d1e9f2a111
CRs-Fixed: 2002892

wmi_unified_tlv.c

@@ -17138,6 +17138,9 @@ static struct cur_reg_rule
 		reg_rule_ptr[count].reg_power =
 			WMI_REG_RULE_REG_POWER_GET(
 					wmi_reg_rule[count].bw_pwr_info);
+		reg_rule_ptr[count].ant_gain =
+			WMI_REG_RULE_ANTENNA_GAIN_GET(
+					wmi_reg_rule[count].bw_pwr_info);
 		reg_rule_ptr[count].flags =
 			WMI_REG_RULE_FLAGS_GET(
 					wmi_reg_rule[count].flag_info);