[XS] Change in coreboot[main]: mb/google/rex/var/karis: Set SOC_TCHSCR_RST output low in bootblock

[Kapil Porwal (Code Review)]

Attention is currently required from: David Wu, Dinesh Gehlot, Eran Mitrani, Jakub Czapiga, Paul Menzel, Subrata Banik, Sumeet R Pawnikar, Tarun, Tyler Wang.

Kapil Porwal has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/80000?usp=email )

Change subject: mb/google/rex/var/karis: Set SOC_TCHSCR_RST output low in bootblock
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Patch Set 7: Code-Review+2