[XS] Change in coreboot[master]: mb/google/rex/var/screebo: Set `SAGV_POINTS_0_1_2` to avoid hang

[Wentao Qin (Code Review)]

Attention is currently required from: Eran Mitrani, Jakub Czapiga, Kane Chen, Kapil Porwal, Martin L Roth, Tarun.

Wentao Qin has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/77520?usp=email )

Change subject: mb/google/rex/var/screebo: Set `SAGV_POINTS_0_1_2` to avoid hang
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Patch Set 5:

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/77520/comment/54bea3e5_b1374db1 :
PS4, Line 11: Before root cause, this is a short term workaround to unblock function test.
> Please wrap.

Done