Add 160 MHz and 320 MHz BW support for Smart Antenna.
Peer connect gets rate codes for all supported BW on connecting peer
as part of wmi_peer_ratecode_list_event. This changes add 320 MHz and
160 MHz BW support.
Change-Id: I715dd5a64c38114fef6e17c2e2f6a526e1a716c2
CRs-Fixed: 3381648