[S] Change in coreboot[master]: mb/google/skyrim: Enable APOB_HASH

[Fred Reitberger (Code Review)]

Attention is currently required from: Jason Nien, Martin Roth.

Fred Reitberger has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/67303 )

Change subject: mb/google/skyrim: Enable APOB_HASH
......................................................................

mb/google/skyrim: Enable APOB_HASH

Enable the APOB_HASH feature.  This improves boot times by ~10ms.

BUG=b:193557430
TEST=boot to OS and verify boot time improvement

Signed-off-by: Fred Reitberger 
Change-Id: I2664d81962fd442db6201e1f0ce710594b6d5dee
---
M src/mainboard/google/skyrim/Kconfig
M src/mainboard/google/skyrim/chromeos.fmd
2 files changed, 17 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/03/67303/1

diff --git a/src/mainboard/google/skyrim/Kconfig b/src/mainboard/google/skyrim/Kconfig
index 03c9dfa..b0ab809 100644
--- a/src/mainboard/google/skyrim/Kconfig
+++ b/src/mainboard/google/skyrim/Kconfig
@@ -37,6 +37,7 @@
    select MAINBOARD_HAS_TPM2
    select SOC_AMD_MENDOCINO
    select SOC_AMD_COMMON_BLOCK_USE_ESPI
+	select SOC_AMD_COMMON_BLOCK_APOB_HASH
    select TPM_GOOGLE_TI50

config CHROMEOS
diff --git a/src/mainboard/google/skyrim/chromeos.fmd b/src/mainboard/google/skyrim/chromeos.fmd
index 3be90a4..4ca638c 100644
--- a/src/mainboard/google/skyrim/chromeos.fmd
+++ b/src/mainboard/google/skyrim/chromeos.fmd
@@ -1,6 +1,7 @@
 FLASH@0xFF000000 16M {
    SI_BIOS {
    	RW_MRC_CACHE(PRESERVE) 120K
+		RW_MRC_HASH(PRESERVE) 4K
    	RW_SECTION_A 3M {
    		VBLOCK_A 8K
    		FW_MAIN_A(CBFS)