16049 Update AMD microcode to 20231019
Reviewed by: Keith Wesolowski <wesolows@oxide.computer>
Reviewed by: Toomas Soome <tsoome@me.com>
Approved by: Dan McDonald <danmcd@mnx.io>

15835 Update AMD microcode to 20230808
Reviewed by: Robert Mustacchi <rm+illumos@fingolfin.org>
Reviewed by: Dan McDonald <danmcd@mnx.io>
Approved by: Patrick Mooney <pmooney@pfmooney.com>