pseries: Update SLOF firmware image to release 20251027

- Fix some measurements in the TPM code
- Fix for compiling with GCC in C23 mode
- Silence some initializer-string warnings with recent GCC

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20251027074404.25758-1-thuth@redhat.com>
Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>

pc-bios/README

diff --git a/pc-bios/README b/pc-bios/README
index d009c37..4818272 100644
--- a/pc-bios/README
+++ b/pc-bios/README
@@ -14,7 +14,7 @@
 - SLOF (Slimline Open Firmware) is a free IEEE 1275 Open Firmware
   implementation for certain IBM POWER hardware.  The sources are at
   https://gitlab.com/slof/slof, and the image currently in qemu is
-  built from git tag qemu-slof-20241106.
+  built from git tag qemu-slof-20251026.
 
 - VOF (Virtual Open Firmware) is a minimalistic firmware to work with
   -machine pseries,x-vof=on. When enabled, the firmware acts as a slim shim and

pc-bios/slof.bin

diff --git a/pc-bios/slof.bin b/pc-bios/slof.bin
index 4314e17..39b9248 100644
--- a/pc-bios/slof.bin
+++ b/pc-bios/slof.bin
Binary files differ

roms/SLOF

diff --git a/roms/SLOF b/roms/SLOF
index 3a259df..b7f7552 160000
--- a/roms/SLOF
+++ b/roms/SLOF
@@ -1 +1 @@
-Subproject commit 3a259df2449fc4a4e43ab5f33f0b2c66484b4bc3
+Subproject commit b7f755248e2dcc56c02634d288e1c0ff7e0ce1c7