[XS] Change in coreboot[main]: 3rdparty/fsp: Update submodule to upstream master

[Elyes Haouas (Code Review)]

Attention is currently required from: Felix Singer, Matt DeVillier.

Elyes Haouas has posted comments on this change by Felix Singer. ( https://review.coreboot.org/c/coreboot/+/84986?usp=email )

Change subject: 3rdparty/fsp: Update submodule to upstream master
......................................................................

Patch Set 1:

(3 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/84986/comment/3f64afca_ce220850?usp... :
PS1, Line 9: commit id 68328e2
> The SHA-1 references in this auto-generated message use only 7 characters and do not follow the Linu […]

Acknowledged

https://review.coreboot.org/c/coreboot/+/84986/comment/74bc7d56_adc32a93?usp... :
PS1, Line 12: d793185
> same here

Acknowledged

https://review.coreboot.org/c/coreboot/+/84986/comment/1982158a_8b8c3a7c?usp... :
PS1, Line 16: d793185
> same here

Acknowledged