Arm backend: buckify constants.py (pytorch#13222)

local testing with buck

Author: digantdesai

backends/arm/TARGETS

@@ -12,6 +12,15 @@ python_library(
         ":arm_partitioner",
     ]
 )
+python_library(
+    name = "constants",
+    srcs = [
+        "constants.py",
+    ],
+    deps = [
+        "//executorch/exir/dialects:lib",
+    ],
+)
 python_library(
     name = "arm_partitioner",
     srcs = [
@@ -22,6 +31,7 @@ python_library(
     ],
     deps = [
         ":arm_backend",
+        ":constants",
         "//executorch/backends/arm/operator_support:operator_support",
         "//executorch/backends/arm/_passes:passes",
         "//executorch/exir:lib",
@@ -90,6 +100,7 @@ python_library(
         "fbsource//third-party/tosa_tools/v1.00/serialization_lib/python/serializer:serializer",
         "fbsource//third-party/tosa_tools/v0.80/serialization_lib/python/tosa:tosa",
         "fbsource//third-party/tosa_tools/v1.00/serialization_lib/python/tosa:tosa",
+        ":constants",
         ":tosa_mapping",
         "//executorch/exir/dialects:lib",
     ],

backends/arm/_passes/TARGETS

@@ -4,6 +4,7 @@ python_library(
     name = "passes",
     srcs = glob(["*.py"]),
     deps = [
+        "//executorch/backends/arm:constants",
         "//executorch/backends/arm:tosa_quant_utils",
         "//executorch/backends/arm:tosa_utils",
         "//executorch/backends/arm/tosa/dialect:lib",

backends/arm/operator_support/TARGETS

@@ -4,6 +4,7 @@ python_library(
     name = "operator_support",
     srcs = glob(["*.py"]),
     deps = [
+        "//executorch/backends/arm:constants",
         "//executorch/backends/arm/_passes:passes",
         "//executorch/backends/arm:tosa_specification",
         "//executorch/backends/transforms:remove_getitem_op",