add vdfuse and fix rootcheck
add vdfuse and fix rootcheck

joequant/bitquant,joequant/bitquant,joequant/bitquant,linkmax91/bitquant,linkmax91/bitquant,joequant/bitquant,linkmax91/bitquant,linkmax91/bitquant,joequant/bitquant,linkmax91/bitquant,linkmax91/bitquant