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

Karthik Ramasubramanian uploaded patch set #5 to this change.

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mb/google/skyrim: Enable amdfw separation

Select the config to separate the AMDFW binary from the verified boot
section.

BUG=b:203597980
TEST=Build Skyrim BIOS image and boot to OS with PSP verstage passing
the hash table and PSP verifying the binaries against the hash table.
Observe boot time improvement of ~140 ms while operating  SPI bus at 66
MHz with PSP verstage enabled.
Before this patch series:
 506:finished verifying keyblock/preamble (RSA)        1,977,851,803 (339,910)
 507:starting to verify body (load+SHA2+RSA)           1,977,851,914 (111)
 508:finished loading body                             1,978,053,432 (201,518)
After this patch series:
 506:finished verifying keyblock/preamble (RSA)        7,948,714,284 (312,722)
 507:starting to verify body (load+SHA2+RSA)           7,948,714,389 (105)
 508:finished loading body                             7,948,797,849 (83,460)

Change-Id: I78ec6d28b4c5fc40bdade47489d58180a54dee4d
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
---
M src/mainboard/google/skyrim/Kconfig
M src/mainboard/google/skyrim/chromeos.fmd
2 files changed, 30 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/61/67261/5

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