Backporting intel-microcode to 16.04 LTS for errata fix

[Daniel J Blueman]

I find the intel-microcode package in Ubuntu 16.04 is heavily outdated
(3.20151106.1) leaving many Intel Skylake and Kaby Lake systems
vulnerable to incorrect program flow/state due to a processor errata
[1] when Hyperthreading is enabled.

This seems like sufficient rationale to backport the package
(3.20170511.1) from Artful which carries the updated microcode to
address the errata.

What's the consensus here?

[1] https://lists.debian.org/debian-devel/2017/06/msg00308.html
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Daniel J Blueman