Change in coreboot[master]: soc/intel: Drop unreferenced `SkipExtGfxScan`

[Angel Pons (Code Review)]

Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/52105 )

Change subject: soc/intel: Drop unreferenced `SkipExtGfxScan`
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Patch Set 4:

(1 comment)

File src/soc/intel/cannonlake/chip.h:

https://review.coreboot.org/c/coreboot/+/52105/comment/dd31152e_e80b1dd5 
PS4, Line 208: 	uint8_t SkipExtGfxScan;
> at the least, google/hatch and google/drallion set this

Well, I don't know what I did when grepping then...