[coreboot-gerrit] Change in coreboot[master]: spi: Remove unused/unnecessary spi_init function definitions

[build bot (Jenkins) (Code Review)]

build bot (Jenkins) has posted comments on this change. ( https://review.coreboot.org/20039 )

Change subject: spi: Remove unused/unnecessary spi_init function definitions
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Patch Set 3:

Build Successful

https://qa.coreboot.org/job/coreboot-checkpatch/10595/ : SUCCESS

https://qa.coreboot.org/job/coreboot-gerrit/54896/ : SUCCESS