Change in coreboot[master]: mainboard/google/soraka: Add gpio.c to bootblock

[build bot (Jenkins) (Code Review)]

build bot (Jenkins) has posted comments on this change. ( https://review.coreboot.org/20878 )

Change subject: mainboard/google/soraka: Add gpio.c to bootblock
......................................................................

Patch Set 1: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-gerrit/58209/ : SUCCESS

https://qa.coreboot.org/job/coreboot-checkpatch/13630/ : SUCCESS