Change in coreboot[master]: drivers/storage: Work around GCC data flow issue

[build bot (Jenkins) (Code Review)]

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Change subject: drivers/storage: Work around GCC data flow issue
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Patch Set 3:

Build Successful

https://qa.coreboot.org/job/coreboot-gerrit/50745/ : SUCCESS

https://qa.coreboot.org/job/coreboot-checkpatch/6722/ : SUCCESS