Change in coreboot[master]: soc/amd/psp_verstage: Get vb2_context early

[Karthik Ramasubramanian (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, Marshall Dawson, Kangheui Won, Rob Barnes, Felix Held.
Karthik Ramasubramanian has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/59017 )

Change subject: soc/amd/psp_verstage: Get vb2_context early
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Patch Set 2:

(1 comment)

File src/soc/amd/common/psp_verstage/psp_verstage.c:

https://review.coreboot.org/c/coreboot/+/59017/comment/4ee75964_9ff7672c 
PS1, Line 224:
> Whatever we choose between `svc_exit`, `die` or `assert` I'm okay with it if it's not a `reboot_into […]

What will PSP do with a non-zero retval in svc_exit?

Will triggering a board_reset() help to recover from the scenario? If so we can just call vboot_reboot() hoping that in the next boot cycle we get lucky.