Change in coreboot[master]: volteer: enable VBOOT_EC_EFS

[Caveh Jalali (Code Review)]

Caveh Jalali has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/43044 )

Change subject: volteer: enable VBOOT_EC_EFS
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Patch Set 1:

(1 comment)

https://review.coreboot.org/c/coreboot/+/43044/1//COMMIT_MSG 
Commit Message:

https://review.coreboot.org/c/coreboot/+/43044/1//COMMIT_MSG@12 
PS1, Line 12: TEST=used "V=1 emerge-${BOARD} coreboot" to verify "-DEC_EFS=1" is
            : 	used when compiling 2ec_sync.c
> does it still boot???

LoL, ya 😊
ability to boot was never in question - the issue is
whether we end up in recovery when we should not.

daisuke mentioned b/160272400 that this flag is for EFS1 only,
not EFS2, so i think more clarification is needed.