Add Hifi compiled runtime

Differential Revision: D82602663

Pull Request resolved: #14628

Author: JakeStevens

backends/nxp/runtime/targets.bzl

@@ -15,6 +15,7 @@ def define_common_targets():
         labels = [ci.skip_target()],
         visibility = [
             "//executorch/backends/nxp/runtime/fb:nxp_fb_backend",
+            "//executorch/backends/nxp/runtime/fb:nxp_hifi_fb_backend",
             "@EXECUTORCH_CLIENTS",
         ],
         deps = [