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/applications/science/misc/openmodelica/combined/default.nix

@@ -0,0 +1,30 @@
+{ stdenv, lib, openmodelica, symlinkJoin, gnumake, blas, lapack, makeWrapper }:
+symlinkJoin {
+  name = "openmodelica-combined";
+  paths = with openmodelica; [
+    omcompiler
+    omsimulator
+    omplot
+    omparser
+    omedit
+    omlibrary
+    omshell
+  ];
+
+  buildInputs = [ gnumake makeWrapper ];
+
+  postBuild = ''
+    wrapProgram $out/bin/OMEdit \
+      --prefix PATH : ${lib.makeBinPath [ gnumake stdenv.cc ]} \
+      --prefix LIBRARY_PATH : "${lib.makeLibraryPath [ blas lapack ]}" \
+      --set-default OPENMODELICALIBRARY "${openmodelica.omlibrary}/lib/omlibrary"
+  '';
+
+  meta = with lib; {
+    description = "An open-source Modelica-based modeling and simulation environment intended for industrial and academic usage";
+    homepage = "https://openmodelica.org";
+    license = licenses.gpl3Only;
+    maintainers = with maintainers; [ balodja smironov ];
+    platforms = platforms.linux;
+  };
+}