Add back RCT digi packing for Stage-1 in L1T standard sequences

[mulhearn]

This was omitted by mistake from standard sequences due to confusion about role of GCT packer.

Now it is added back, which should fix several Stage-1 RelVal errors.

[mulhearn]

please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/11244/console

[cmsbuild]

A new Pull Request was created by @mulhearn for CMSSW_8_0_X.

It involves the following packages:

L1Trigger/Configuration

@cmsbuild, @mulhearn, @davidlange6 can you please review it and eventually sign? Thanks.
@Martin-Grunewald this is something you requested to watch as well.
@slava77, @Degano, @smuzaffar you are the release manager for this.

cms-bot commands are list here #13028

[mulhearn]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_8_0_X IBs after it passes the integration tests. This pull request requires discussion in the ORP meeting before it's merged. @slava77, @davidlange6, @Degano, @smuzaffar

[cmsbuild]

+1
Tested at: f0903e4
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-13298/11244/summary.html

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-13298/11244/summary.html

[davidlange6]

+1