[coreboot-gerrit] Change in coreboot[master]: security/intel/txt: Remove unused region device

[Michał Żygowski (Code Review)]

Attention is currently required from: Michał Żygowski.
Hello build bot (Jenkins), Angel Pons, Arthur Heymans, Patrick Rudolph,

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

https://review.coreboot.org/c/coreboot/+/59515

to look at the new patch set (#8).

Change subject: security/intel/txt: Remove unused region device
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security/intel/txt: Remove unused region device

Region device is no longer used to locate BIOS ACM. Use new CBFS API
to map and unmap the file. Using rdev_munmap on the uninitialized
region device variable causes the platform to jump to a random address.

TEST=Dell OptiPlex 9010 does not raise #UD exception when Intel TXT is
enabled, ACM SCHECK is successful

Signed-off-by: Michał Żygowski 
Change-Id: I98afba35403d5d2cd9eeb7df6d1ca0171894e9d4
---
M src/security/intel/txt/common.c
1 file changed, 6 insertions(+), 8 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/15/59515/8