For Master device to activate 'Privacy Mode' or not ? Decide if the
Master device need to check EP device's 'Privacy Key' to
allow connection. Changed 'Privacy Mode' will take effect
after upgrading Master device driver.
(replace eocBrMasterWorkingPrivacyMode with
eocBrMasterSettingPrivacyMode after
eocBrMasterDrvUpgradeAction completes).