Change in coreboot[master]: src/... - Add Boot Guard support

[Christopher Meis (Code Review)]

Attention is currently required from: Christopher Meis, Patrick Rudolph, Christian Walter.
Hello build bot (Jenkins), Patrick Rudolph, Christian Walter, Patrick Rudolph,

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

https://review.coreboot.org/c/coreboot/+/55048

to look at the new patch set (#3).

Change subject: src/... - Add Boot Guard support
......................................................................

src/... - Add Boot Guard support

src/cpu/intel/fit/Kconfig - Add Boot Guard support
src/mainboard/prodrive/hermes/Kconfig - Add FIX_BOOTBLOCK_SIZE
src/security/intel/* - Add Boot Guard support

Change-Id: I2b73a79f51692178e8565803efb2c9caf3096ff9
Signed-off-by: Christopher Meis 
---
M src/cpu/intel/fit/Kconfig
M src/mainboard/prodrive/hermes/Kconfig
M src/security/intel/Kconfig
M src/security/intel/Makefile.inc
A src/security/intel/bg/Kconfig
A src/security/intel/bg/Makefile.inc
A src/security/intel/bg/cmos.c
7 files changed, 429 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/48/55048/3