Change in coreboot[master]: drivers/intel/gma: Put gma_gfxinit() into its own header

[build bot (Jenkins) (Code Review)]

build bot (Jenkins) has posted comments on this change. ( https://review.coreboot.org/20112 )

Change subject: drivers/intel/gma: Put gma_gfxinit() into its own header
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Patch Set 5:

Build Successful

https://qa.coreboot.org/job/coreboot-checkpatch/14881/ : SUCCESS

https://qa.coreboot.org/job/coreboot-gerrit/59592/ : SUCCESS