Update amd_blobs submodule to upstream master

Updating from commit id acf7395:
2023-01-10 11:27:48 -0800 - (phoenix: rename morgana to phoenix)

to commit id 1cd6ea5:
2023-05-20 10:00:36 -0700 - (mendocino: Upgrade SMU to 90.41.0)

This brings in 4 new commits:
1cd6ea5 mendocino: Upgrade SMU to 90.41.0
229fcf1 mendocino: Upgrade SMU to 90.40.0
8f2610c Add Mendocino FSP binaries
ebee2c1 mendocino: Upgrade SMU to 90.39.0

Change-Id: I7b40e3de15d4e2ad64274c267eec07c521b1b059
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75791
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/3rdparty/amd_blobs b/3rdparty/amd_blobs
index acf7395..1cd6ea5 160000
--- a/3rdparty/amd_blobs
+++ b/3rdparty/amd_blobs
@@ -1 +1 @@
-Subproject commit acf7395452de0c17743068e0bb27d9f53eff9aa0
+Subproject commit 1cd6ea5cc5c22d3f4e439652ede85d21488232e4