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git2svn
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V 27
2021-02-11T05:16:59.584051Z
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V 781
acpi: limit the AMDI0020/AMDI0010 workaround to an option

It appears that production versions of EPYC firmware get the _STA method right
for these nodes. In fact, this workaround breaks on production hardware by
including too many uart nodes. This work around was for pre-release hardware
that wound up not having a large deployment. Move this work around to a kernel
option since the machines that needed it have been powered off and are difficult
to resurrect. Should there be a more significant deployment than is understood,
we can restrict it based on smbios strings.

Discussed with: mmacy@, seanc@, jhb@
MFC After: 3 days

(cherry picked from commit 35af933173d516101f4c44af328fbe2d6e587869)

Git Hash:   a7c68340584c942792188ad50593d4ef15cc8982
Git Author: imp@FreeBSD.org
END