linux-firmware: Update AMD SEV firmware

Update AMD SEV firmware to version 0.24 build 20 for AMD family 17h processors
with models in the range 30h to 3fh.

Update AMD SEV firmware to version 1.55 build 21 for AMD family 19h processors
with models in the range 00h to 0fh.

Update AMD SEV firmware to version 1.55 build 37 for AMD family 19h processors
with models in the range 10h to 1fh.

Add AMD SEV firmware version 1.55 build 37 for AMD family 19h processors with
models in the range a0h to afh.

Signed-off-by: John Allen <john.allen@amd.com>
Signed-off-by: Josh Boyer <jwboyer@kernel.org>

WHENCE

@@ -4168,11 +4168,13 @@ Driver: ccp - Platform Security Processor (PSP) device
 File: amd/amd_sev_fam17h_model0xh.sbin
 Version: 2022-2-25
 File: amd/amd_sev_fam17h_model3xh.sbin
-Version: 2022-2-25
+Version: 2024-8-20
 File: amd/amd_sev_fam19h_model0xh.sbin
-Version: 2023-8-23
+Version: 2024-8-20
 File: amd/amd_sev_fam19h_model1xh.sbin
-Version: 2023-8-23
+Version: 2024-8-20
+File: amd/amd_sev_fam19h_modelaxh.sbin
+Version: 2024-8-20
 
 License: Redistributable. See LICENSE.amd-sev for details