[M] Change in coreboot[master]: mainboard/google/rex/Kconfig: Enable EC boot timestamps for mtl-rex

[build bot (Jenkins) (Code Review)]

Attention is currently required from: Bora Guvendik, Hannah Williams, Tarun Tuli, Jamie Ryu, Wonkyu Kim, Paul Menzel, Kapil Porwal, Jay Patel.

build bot (Jenkins) has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/73192 )

Change subject: mainboard/google/rex/Kconfig: Enable EC boot timestamps for mtl-rex
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Patch Set 12:

(4 comments)

Commit Message:

Robot Comment from checkpatch (run ID jenkins-coreboot-checkpatch-175185):
https://review.coreboot.org/c/coreboot/+/73192/comment/ec73bbd2_114102c1 
PS12, Line 12: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/4263103
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Robot Comment from checkpatch (run ID jenkins-coreboot-checkpatch-175185):
https://review.coreboot.org/c/coreboot/+/73192/comment/c2020e2d_321c135c 
PS12, Line 26: 990:CSME ROM started execution                        4,994,005 (3,990,503)
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Robot Comment from checkpatch (run ID jenkins-coreboot-checkpatch-175185):
https://review.coreboot.org/c/coreboot/+/73192/comment/219d449d_60f7ec22 
PS12, Line 28: 945:CSE started to handle ICC configuration           5,235,005 (182,000)
Possible unwrapped commit description (prefer a maximum 72 chars per line)

Robot Comment from checkpatch (run ID jenkins-coreboot-checkpatch-175185):
https://review.coreboot.org/c/coreboot/+/73192/comment/d9105025_3439a95a 
PS12, Line 30: 947:CSE received 'CPU Reset Done Ack sent' from PMC   5,522,005 (287,000)
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