Set channel width when calling wlan_reg_set_channel_params_for_freq.
Also, in the case of 160MHz, mhz_freq_seg1 should be used instead of
mhz_freq_seg0 to get center frequency.
Send total eirp power to FW instead of psd power for PSD case as
part of WMI_VDEV_SET_TPC_POWER_CMDID.
Change-Id: Id37d2ca37c7ae1ac07df1444129801fcba37f219
CRs-fixed: 2906551