qcacmn: Replace wlan_phy_ch_width with phy_ch_width

Delete enum wlan_phy_ch_width. Move phy_ch_width definition
from reg_services_public_struct.h to wlan_cmn.h.

Change-Id: I9f2b3ade1b023b9728274ce4edd3b90f562ae02e
CRs-Fixed: 2318356
3 files changed