A new capability bit from FW is introduced that provides
ADFS 320 MHz support information. supports_adfs_320 signifies
chainmask capability service bit if FW supports ADFS on 320 MHz
channel width. Add this capability bit(supports_adfs_320) in host.
Change-Id: I09c689658ef495d8a8707425ecc9ba922fce4d41
CRs-Fixed: 3317795