[S] Change in coreboot[master]: Update cmocka submodule to upstream master

[build bot (Jenkins) (Code Review)]

build bot (Jenkins) has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/72791 )

Change subject: Update cmocka submodule to upstream master
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Patch Set 1:

(2 comments)

Commit Message:

Robot Comment from checkpatch (run ID jenkins-coreboot-checkpatch-169886):
https://review.coreboot.org/c/coreboot/+/72791/comment/281a8dc0_10f4a3bd 
PS1, Line 9: Updating from commit id 8931845:
Possible unwrapped commit description (prefer a maximum 72 chars per line)

Robot Comment from checkpatch (run ID jenkins-coreboot-checkpatch-169886):
https://review.coreboot.org/c/coreboot/+/72791/comment/dc447d12_8efb34b8 
PS1, Line 12: to commit id a79b97c:
Possible unwrapped commit description (prefer a maximum 72 chars per line)