Update amd_blobs submodule to upstream main branch

Updating from commit id eb91266f01db (2023-11-29):
  MDN: Update mendocino SMU to 90.43.0

to commit id 64cdd7c8ef19 (2023-12-01):
  Cezanne/PSP: clean up release notes

This brings in 3 new commits:
64cdd7c8ef Cezanne/PSP: clean up release notes
54c45443b8 Stoneyridge: Drop PSP binaries for Bristol Ridge (BR)
bfa3c44c8c Stoneyridge: Tidy up the PSP binaries folder

Change-Id: Ifd2ca49a472c516c69c9f43ed4dc3faefd8729d8
Signed-off-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79365
Reviewed-by: Varshit Pandya <pandyavarshit@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jason Glenesk <jason.glenesk@amd.corp-partner.google.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

1 files changed, 0 insertions, 0 deletions

diff --git a/3rdparty/amd_blobs b/3rdparty/amd_blobs
-Subproject eb91266f01db2d276614dc20d8d0f857e6ffbf0
+Subproject 64cdd7c8ef199f5d79be14e7972fb7316f41bee