NEW: Add migrator for tegra arm variant

Author: carterbox

recipe/migrations/arm_variant_type.yaml

@@ -0,0 +1,37 @@
+migrator_ts: 1762977869
+__migrator:
+
+  commit_message: |
+    Add arm_variant_type to build matrix for Tegra variants
+
+    This migration adds `arm_variant_type=tegra` to the build matrix to support building
+    Tegra-specific variants. The `tegra` variant is only applicable for aarch64 builds with
+    CUDA 12.9.x.
+
+  use_local: true
+  operation: key_add
+  migration_number: 1
+  build_number: 1
+  paused: true
+  check_solvable: true
+  wait_for_migrators:
+    - cuda129
+  primary_key: arm_variant_type
+  ordering:
+    arm_variant_type:
+      - sbsa   # already exists in global pinning
+      - tegra  # new entry
+
+  # New entry needs to be zipped with c_stdlib_version and cuda_compiler_version.
+  # additional_zip_keys:
+  #   - c_stdlib_version          # [linux and aarch64 and os.environ.get("CF_CUDA_ENABLED", "False") == "True"]
+  #   - cuda_compiler_version     # [linux and aarch64 and os.environ.get("CF_CUDA_ENABLED", "False") == "True"]
+
+c_stdlib_version:                 # [linux and aarch64 and os.environ.get("CF_CUDA_ENABLED", "False") == "True"]
+  - 2.34                          # [linux and aarch64 and os.environ.get("CF_CUDA_ENABLED", "False") == "True"]
+
+cuda_compiler_version:            # [linux and aarch64 and os.environ.get("CF_CUDA_ENABLED", "False") == "True"]
+  - 12.9                          # [linux and aarch64 and os.environ.get("CF_CUDA_ENABLED", "False") == "True"]
+
+arm_variant_type:                 # [linux and aarch64 and os.environ.get("CF_CUDA_ENABLED", "False") == "True"]
+  - tegra                         # [linux and aarch64 and os.environ.get("CF_CUDA_ENABLED", "False") == "True"]