SAE Public Key (SAE-PK) authentication is an extension of SAE. Host adds
support for SAE-PK APs roam score which host uses to select AP for initial
connection and roaming.
User configures SAE-PK APs weightage using INI "sae_pk_ap_weightage".
Change-Id: I9066c483188bcbf01e3ffbcc4c57f04e1a9129f1
CRs-Fixed: 2769373