Add select for compiler_flags in kernels bzl files (#6627)

Summary:
Some of the compiler flags we use in the runtime such as `-Wno-missing-prototypes` and `-Wno-global-constructors` are not compatible with MSVC, so disabling these for windows builds using `select`.


Differential Revision: D65393523

Author: tarun292

kernels/aten/cpu/util/targets.bzl

@@ -14,7 +14,10 @@ def define_common_targets():
         exported_headers = [
             "copy_ops_util.h",
         ],
-        compiler_flags = ["-Wno-missing-prototypes"],
+        compiler_flags = select({
+                "DEFAULT": ["-Wno-missing-prototypes"],
+                "ovr_config//os:windows": [],
+            }),
         deps = [
             "//executorch/runtime/kernel:kernel_includes_aten",
             "//executorch/runtime/core/exec_aten/util:tensor_util_aten",

kernels/prim_ops/targets.bzl

@@ -48,7 +48,10 @@ def define_common_targets():
             # @lint-ignore BUCKLINT link_whole, need this to register prim ops.
             link_whole = True,
             # prim ops are registered through a global table so the ctor needs to be allowed
-            compiler_flags = ["-Wno-global-constructors"],
+            compiler_flags = select({
+                "DEFAULT": ["-Wno-global-constructors"],
+                "ovr_config//os:windows": [],
+            }),
             deps = [
                 ":et_copy_index" + aten_suffix,
                 ":et_view" + aten_suffix,

shim/xplat/executorch/codegen/codegen.bzl

@@ -630,7 +630,10 @@ def executorch_generated_lib(
             link_whole = True,
             visibility = visibility,
             # Operator Registration is done through static tables
-            compiler_flags = ["-Wno-global-constructors"] + compiler_flags,
+            compiler_flags = select({
+                "DEFAULT": ["-Wno-global-constructors"],
+                "ovr_config//os:windows": [],
+            }) + compiler_flags,
             deps = [
                 "//executorch/runtime/kernel:operator_registry",
                 "//executorch/kernels/prim_ops:prim_ops_registry" + aten_suffix,

shim/xplat/executorch/kernels/portable/op_registration_util.bzl

@@ -126,7 +126,10 @@ def define_op_library(name, deps, android_deps, aten_target, _allow_third_party_
         fbandroid_platform_deps = android_deps,
         # kernels often have helpers with no prototypes just disabling the warning here as the headers
         # are codegend and linked in later
-        compiler_flags = ["-Wno-missing-prototypes"] + (
+        compiler_flags = select({
+                "DEFAULT": ["-Wno-missing-prototypes"],
+                "ovr_config//os:windows": [],
+            }) + (
             # For shared library build, we don't want to expose symbols of
             # kernel implementation (ex torch::executor::native::tanh_out)
             # to library users. They should use kernels through registry only.