build(deps): bump litex/deps/pyserial from acab9d2 to 3a6ae5a

Bumps [litex/deps/pyserial](https://github.com/pyserial/pyserial) from `acab9d2` to `3a6ae5a`.
- [Release notes](https://github.com/pyserial/pyserial/releases)
- [Commits](acab9d2c0e...3a6ae5a630)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
This commit is contained in:
dependabot-preview[bot] 2020-01-07 00:51:32 +00:00 committed by GitHub
parent 691de19361
commit becfbebbbb
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GPG Key ID: 4AEE18F83AFDEB23

@ -1 +1 @@
Subproject commit acab9d2c0efb63323faebfd5e3405d77cd4b5617
Subproject commit 3a6ae5a630589a29af8d8bd45616d7aadb2fb3db