This patch adds ACPI DMAR table for CFL.
Some VT-d init code are ported from EDK2.
Test method:
1. dump acpi tables: acpidump -b
2. check the dmar table: iasl -d dmar.dat
Verify: CFL-s RVP
Signed-off-by: Stanley Chang <stanley.chang@intel.com>
Signed-off-by: Stanley Chang <stanley.chang@intel.com>