Change in coreboot[master]: [NOTFORMERGE, TESTONLY] Use MRC cache on Thinkpad X60

[build bot (Jenkins) (Code Review)]

build bot (Jenkins) has posted comments on this change. ( https://review.coreboot.org/21114 )

Change subject: [NOTFORMERGE,TESTONLY] Use MRC cache on Thinkpad X60
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Patch Set 3: Verified-1

Build Unstable

https://qa.coreboot.org/job/coreboot-gerrit/58949/ : UNSTABLE

https://qa.coreboot.org/job/coreboot-checkpatch/14299/ : SUCCESS