Update intel-microcode submodule to upstream master

Updating from commit id 3f97690:
2021-06-08 09:44:38 -0700 - (microcode-20210608 Release)

to commit id 115c3e4:
2022-02-07 18:23:52 -0800 - (microcode-20220207 Release)

This brings in 1 new commits:
115c3e4 microcode-20220207 Release

Signed-off-by: Martin Roth <gaumless@gmail.com>
Change-Id: Idb2dcd3e3ef9692e21109ac0e8bdfa9f61740f14
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61769
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Felix Singer <felixsinger@posteo.net>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>

1 files changed, 0 insertions, 0 deletions

diff --git a/3rdparty/intel-microcode b/3rdparty/intel-microcode
-Subproject 3f97690f0da8011f52209b232450a1e5c4f2e1f
+Subproject 115c3e4cdad6a9d84bf06e066162c5c546a9d2c