Get access to ExecuTorch (#2471)

Summary:
Pull Request resolved: #2471

Need to access ExecuTorch to export EMG-hw model for wrist devices' Vulkan GPU.

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Reviewed By: JacobSzwejbka, jorgep31415, dbort

Differential Revision: D54963814

fbshipit-source-id: e741a5b0f0e4e0370bf712a3d0b6fd4f01f9c74f

Author: copyrightly

backends/vulkan/TARGETS

@@ -19,6 +19,7 @@ runtime.python_library(
     visibility = [
         "//executorch/...",
         "//executorch/vulkan/...",
+        "@EXECUTORCH_CLIENTS",
     ],
     deps = [
         "//executorch/exir:graph_module",