
In reg_set_channel_params for 2G, if the input mode is HT40, the primary channel is <= channel 8 (2447) and the secondary frequency is not provided, add an API to fetch the secondary frequency, giving preference to HT40+ over HT40- mode. Change-Id: If1538e14f9ab427c9f9a12ee2eb0d9e28bbf8b86 CRs-Fixed: 3050678