qcacmn: Fixes for regulatory channel event processing

Fix the population of tx power. Also fix the WMI TLV processing
for regulatory channel list event. Also make sure correct
range enums are calculated for pdev range.

Change-Id: Iec9559c0ab4b2b5e52d0b0a3eb4a0e8d038dc791
CRs-Fixed: 2002892

wmi_unified_tlv.c

@@ -16188,9 +16188,11 @@ static QDF_STATUS extract_reg_chan_list_update_event_tlv(
 	num_2g_reg_rules = reg_info->num_2g_reg_rules;
 	num_5g_reg_rules = reg_info->num_5g_reg_rules;
 
-	wmi_reg_rule = (wmi_regulatory_rule_struct *)(chan_list_event_hdr
-			+ sizeof(wmi_reg_chan_list_cc_event_fixed_param));
 
+	wmi_reg_rule =
+		(wmi_regulatory_rule_struct *)((uint8_t *)chan_list_event_hdr
+			+ sizeof(wmi_reg_chan_list_cc_event_fixed_param)
+			+ WMI_TLV_HDR_SIZE);
 	reg_info->reg_rules_2g_ptr = create_reg_rules_from_wmi(num_2g_reg_rules,
 			wmi_reg_rule);
 	wmi_reg_rule += num_2g_reg_rules;