[M] Change in coreboot[master]: [WIP] Documentation/measured_boot.md: fix SRTM/DRTM explanations

[build bot (Jenkins) (Code Review)]

Attention is currently required from: Daniel P. Smith, Michał Żygowski, Maciej Pijanowski, Krystian Hebel.

build bot (Jenkins) has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/68751 )

Change subject: [WIP] Documentation/measured_boot.md: fix SRTM/DRTM explanations
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Patch Set 3:

(2 comments)

Commit Message:

Robot Comment from checkpatch (run ID jenkins-coreboot-checkpatch-161428):
https://review.coreboot.org/c/coreboot/+/68751/comment/82ad2183_1fd4e242 
PS3, Line 12: Co-authored-by: Daniel P. Smith
Non-standard signature: Co-authored-by:

Robot Comment from checkpatch (run ID jenkins-coreboot-checkpatch-161428):
https://review.coreboot.org/c/coreboot/+/68751/comment/f4aba1e9_8436cf83 
PS3, Line 12: Co-authored-by: Daniel P. Smith
Unrecognized email address: 'Daniel P. Smith'