Change in coreboot[master]: soc/intel/skylake: Drop unnecessary `ignore_vtd` option

[Angel Pons (Code Review)]

Attention is currently required from: Michał Żygowski, Patrick Rudolph, Piotr Król.
Hello build bot (Jenkins), Michał Żygowski, Michael Niewöhner, Patrick Rudolph, Piotr Król,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/52101

to look at the new patch set (#2).

Change subject: soc/intel/skylake: Drop unnecessary `ignore_vtd` option
......................................................................

soc/intel/skylake: Drop unnecessary `ignore_vtd` option

It is zero for all mainboards. If one really wanted to ignore VT-d
support, a user-visible Kconfig option would be a better approach.

Change-Id: I320c10317f3fabee5443c16ebdf1ffd0e24193b8
Signed-off-by: Angel Pons 
---
M src/mainboard/protectli/vault_kbl/devicetree.cb
M src/soc/intel/skylake/acpi.c
M src/soc/intel/skylake/chip.c
M src/soc/intel/skylake/chip.h
M src/soc/intel/skylake/romstage/systemagent.c
M src/soc/intel/skylake/systemagent.c
6 files changed, 3 insertions(+), 16 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/01/52101/2