Fix some typos and also update the naming convention of
`CFR_OPTFLAG_GRAYOUT` to `CFR_OPTFLAG_INACTIVE` as per reviews.
Signed-off-by: Lean Sheng Tan <sheng.tan@9elements.com>
Change-Id: Id66808382b93e32c58024462c18b20c2a89d6d23
Reviewed-on: https://review.coreboot.org/c/coreboot/+/85780
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Christian Walter <christian.walter@9elements.com>