Introduce the feature to hide SSID in the logs.
To enable this feature, set CONFIG_WLAN_TRACE_HIDE_SSID to y.
If this feature is enabled, SSID 'my_ssid' will be printed as
'*' in the logs.
Change-Id: Ibdafe1f202de805d9116d780f79f015a8a6bd2ee
CRs-Fixed: 3294362