Spectral scan bandwidth value that is received over NL80211 socket will be in NL80211_CHAN_WIDTH format. Convert it into phy_ch_width format before using it in the driver. Similarly, convert the spectral scan bandwidth to NL80211_CHAN_WIDTH format before sending over NL80211 socket. Change-Id: Ic3b464bff6ac62a9d0c1f915118a4ca6db416252 CRs-Fixed: 3048195