[XS] Change in coreboot[main]: Revert "mb/google/rex/var/screebo: Set `SAGV_POINTS_0_1_2` to avoid h...

[Wentao Qin (Code Review)]

Wentao Qin has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/78320?usp=email )

Change subject: Revert "mb/google/rex/var/screebo: Set `SAGV_POINTS_0_1_2` to avoid hang"
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Revert "mb/google/rex/var/screebo: Set `SAGV_POINTS_0_1_2` to avoid hang"

This reverts commit 5c35d30ffc7382af46b62044a5cf5326b1e57708.

Reason for revert: Here we need to confirm whether the issue in
mtl-staging-MTL.3323.92 has been improved in the QS sample
in the factory build.

BUG=b:287170545
TEST=Able to idle for more than 5+ hours without any hang.

Change-Id: I4517bbbefe11d95623d7e16a5e4bba2dd6f408e1
---
M src/mainboard/google/rex/variants/screebo/overridetree.cb
1 file changed, 2 insertions(+), 2 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/20/78320/1

diff --git a/src/mainboard/google/rex/variants/screebo/overridetree.cb b/src/mainboard/google/rex/variants/screebo/overridetree.cb
index f2a9e55..9ec52c8 100644
--- a/src/mainboard/google/rex/variants/screebo/overridetree.cb
+++ b/src/mainboard/google/rex/variants/screebo/overridetree.cb
@@ -51,8 +51,8 @@
    # Enable HDMI in Port B
    register "ddi_port_B_config" = "0"

-	# TODO(b/287170545): workaround avoid DUT random hang
-	register "sagv_wp_bitmap" = "SAGV_POINTS_0_1_2"
+	# Temporary setting TCC of 80C = Tj max (110) - TCC_Offset (30)
+	register "tcc_offset" = "30"

# Enable Display Port Configuration
    register "ddi_ports_config" = "{