[M] Change in coreboot[master]: vboot: Introduce handy vboot reboot functions

[Jakub Czapiga (Code Review)]

Attention is currently required from: Angel Pons, Eric Lai.

Jakub Czapiga has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/69208 )

Change subject: vboot: Introduce handy vboot reboot functions
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Patch Set 3:

(1 comment)

File src/security/vboot/vboot_common.c:

https://review.coreboot.org/c/coreboot/+/69208/comment/0a6aa827_acf48c21 
PS3, Line 77: 	struct vb2_context *ctx = vboot_get_context();
> Why not receive the context as parameter?

I wanted to eliminate as much of duplicated code as possible. This way one does not have to pass context manually. Maybe I went too far with this refactor.
Do you think it would be better to make this function take context as a parameter?