This amd64-microcode release was based on the linux-firmware tree.

From: Sherry Hurwitz <sherry.hurwitz@amd.com>
Subject: [PATCH 1/1] linux-firmware: Update AMD microcode patch firmware
Date: 2016-03-17 06:56:11 GMT

    linux-firmware: Update AMD microcode patch firmware

    For AMD Family 15h Processors to fix bugs in prior microcode patch
    file: amd-ucode/microcode_amd_fam15h.bin
    md5sum: 2384ef1d8ec8ca3930b62d82ea5a3813

    Version: 2016_03_16

    Signed-off-by: Sherry Hurwitz <sherry.hurwitz@amd.com>

commit 8ac569dd3ca3ca685bd47ee86c1eeb6050864db3
Author: Sherry Hurwitz <sherry.hurwitz@amd.com>
Date:   Thu Nov 6 19:38:26 2014 -0600

    linux-firmware: Update AMD microcode patch firmware files

    For AMD Family 15h Processors
    file:   amd-ucode/microcode_amd_family15h.bin
    md5sum: ee3f0f46936aa1788dc31ca3487e0ff3

    For AMD Family 16h Processors
    file:   amd-ucode/microcode_amd_family16h.bin
    md5sum: 6a47a6393c52ddfc0b5b044efc076a77

    Version: 2014_10_28
    Signed-off-by: Sherry Hurwitz <sherry.hurwitz@amd.com>
    Signed-off-by: Kyle McMartin <kyle@kernel.org>

LICENSE.amd-ucode                      |    2 +-
amd-ucode/microcode_amd_fam15h.bin     |binary
amd-ucode/microcode_amd_fam15h.bin.asc |   16 ++++++++--------
amd-ucode/microcode_amd_fam16h.bin     |binary
amd-ucode/microcode_amd_fam16h.bin.asc |   11 +++++++++++
6 files changed, 23 insertions(+), 10 deletions(-)

AMD did not update the relevant microcode documentation (errata fixed,
microcode patch levels, etc), so there is no documentation for the family 0x16
microcode patches, and the documentation for family 0x15 might be stale.