Arm backend: Remove workaround to build TOSA serializer (pytorch#17823)

* Bump version from v2025.11.0 to v2025.11.2 which includes fix


Change-Id: I3ab942211842470529fcc630fe81c1858fee1bfa


cc @digantdesai @SS-JIA @freddan80 @per @zingo @oscarandersson8218
@mansnils @Sebastian-Larsson @robell

Signed-off-by: Tom Allsop <tom.allsop@arm.com>

Author: tom-arm

.ci/scripts/unittest-linux-cmake.sh

@@ -14,14 +14,11 @@ if ! python -c "import tosa_serializer" >/dev/null 2>&1; then
   TOSA_SERIALIZATION_DIR="./examples/arm/arm-scratch/tosa-tools/serialization"
   if [[ ! -d "${TOSA_SERIALIZATION_DIR}" ]]; then
     TOSA_TOOLS_DIR="$(mktemp -d /tmp/tosa-tools.XXXXXX)"
-    git clone --depth 1 --branch v2025.11.0 \
+    git clone --depth 1 --branch v2025.11.2 \
       https://git.gitlab.arm.com/tosa/tosa-tools.git "${TOSA_TOOLS_DIR}"
     TOSA_SERIALIZATION_DIR="${TOSA_TOOLS_DIR}/serialization"
   fi
 
-  # Workaround to allow TOSA serializer to build for v2025.11.0
-  python -m pip install pybind11==2.10.4
-
   CMAKE_POLICY_VERSION_MINIMUM=3.5 BUILD_PYBIND=1 \
     python -m pip install --no-dependencies \
     "${TOSA_SERIALIZATION_DIR}"

backends/arm/requirements-arm-tosa.txt

@@ -7,4 +7,3 @@ ml_dtypes == 0.5.1
 flatbuffers == 24.3.25
 tosa-adapter-model-explorer == 0.1.0
 ai-edge-model-explorer >= 0.1.16
-pybind11 == 2.10.4

examples/arm/setup.sh

@@ -335,7 +335,7 @@ if [[ $is_script_sourced -eq 0 ]]; then
     fi
 
     pushd tosa-tools
-    git checkout v2025.11.0
+    git checkout v2025.11.2
 
     if [[ ! -d "reference_model" ]]; then
         log_step "main" "[error] Missing reference_model directory in tosa-tools repo."
@@ -346,7 +346,6 @@ if [[ $is_script_sourced -eq 0 ]]; then
         exit 1
     fi
 
-
     export CMAKE_BUILD_PARALLEL_LEVEL="$(get_parallel_jobs)"
 
     CMAKE_POLICY_VERSION_MINIMUM=3.5 \