Change in coreboot[master]: mb/google/fizz: set SD_CDZ to edge trigger.

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Change subject: mb/google/fizz: set SD_CDZ to edge trigger.
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Patch Set 1: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-gerrit/54676/ : SUCCESS

https://qa.coreboot.org/job/coreboot-checkpatch/10382/ : SUCCESS