Add legacy free setting and override to fadt.c

The FADT iapc_boot_arch indicates the available information
for accessing legacy devices. By default, the setting supports
legacy. LEGACY_FREE and/or the iapc_boot_arch field may be

Change-Id: I5679741e1f8db923d3c00b57f6a5d813550f3a5e
Signed-off-by: Marc Jones <>
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <>
Reviewed-by: Peter Stuge <>
1 file changed