[S] Change in coreboot[master]: Update arm-trusted-firmware submodule to upstream master

[build bot (Jenkins) (Code Review)]

build bot (Jenkins) has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/69699 )

Change subject: Update arm-trusted-firmware submodule to upstream master
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Patch Set 1:

(2 comments)

Commit Message:

Robot Comment from checkpatch (run ID jenkins-coreboot-checkpatch-163772):
https://review.coreboot.org/c/coreboot/+/69699/comment/96deb835_96a791d8 
PS1, Line 9: Updating from commit id 61fe7826d:
Possible unwrapped commit description (prefer a maximum 72 chars per line)

Robot Comment from checkpatch (run ID jenkins-coreboot-checkpatch-163772):
https://review.coreboot.org/c/coreboot/+/69699/comment/62ff52da_1df673e2 
PS1, Line 12: to commit id fbcbd88eb:
Possible unwrapped commit description (prefer a maximum 72 chars per line)