[coreboot-gerrit] Change in coreboot[master]: mb/google/dedede/var/blipper: Update devicetree and gpio setting

[zanxi chen (Code Review)]

Attention is currently required from: zanxi chen, Peichao Wang, Karthik Ramasubramanian.
zanxi chen has removed Hung-Te Lin from this change.  ( https://review.coreboot.org/c/coreboot/+/55385 )

Change subject: mb/google/dedede/var/blipper: Update devicetree and gpio setting
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Removed reviewer Hung-Te Lin.