uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/libraries/pipewire/test-paths.nix

@@ -0,0 +1,23 @@
+{ lib, runCommand, package, paths-out, paths-lib }:
+
+let
+  check-path = output: path: ''
+    if [[ ! -f "${output}/${path}" && ! -d "${output}/${path}" ]]; then
+      printf "Missing: %s\n" "${output}/${path}" | tee -a $out
+      error=error
+    else
+      printf "Found: %s\n" "${output}/${path}" | tee -a $out
+    fi
+  '';
+
+  check-output = output: lib.concatMapStringsSep "\n" (check-path output);
+in runCommand "pipewire-test-paths" { } ''
+  touch $out
+
+  ${check-output package.lib paths-lib}
+  ${check-output package paths-out}
+
+  if [[ -n "$error" ]]; then
+    exit 1
+  fi
+''