Bump source/symbiflow-arch-defs from `cc76574` to `ef20acc`

Bumps [source/symbiflow-arch-defs](https://github.com/SymbiFlow/symbiflow-arch-defs) from `cc76574` to `ef20acc`.
- [Release notes](https://github.com/SymbiFlow/symbiflow-arch-defs/releases)
- [Commits](cc76574110...ef20acc081)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
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dependabot-preview[bot] 2021-04-26 05:38:33 +00:00 committed by GitHub
parent 7483f0aeaf
commit dfba9b5727
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1 changed files with 1 additions and 1 deletions

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Subproject commit cc76574110bd449cd0cae16752d8e38df0a856d7 Subproject commit ef20acc081b620f3fbbf1d585360564e1ac789bc