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/audio/midas/generic.nix

@@ -0,0 +1,42 @@
+{ stdenv, fetchurl, lib, libX11, libXext, alsa-lib, freetype, brand, type, version, homepage, url, sha256, ... }:
+stdenv.mkDerivation rec {
+  pname = "${lib.toLower type}-edit";
+  inherit version;
+
+  src = fetchurl {
+    inherit url;
+    inherit sha256;
+  };
+
+  sourceRoot = ".";
+  dontBuild = true;
+  dontStrip = true;
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp ${pname} $out/bin
+  '';
+  preFixup = let
+    # we prepare our library path in the let clause to avoid it become part of the input of mkDerivation
+    libPath = lib.makeLibraryPath [
+      libX11           # libX11.so.6
+      libXext          # libXext.so.6
+      alsa-lib          # libasound.so.2
+      freetype         # libfreetype.so.6
+      stdenv.cc.cc.lib # libstdc++.so.6
+    ];
+  in ''
+    patchelf \
+      --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
+      --set-rpath "${libPath}" \
+      $out/bin/${pname}
+  '';
+
+  meta = with lib; {
+    inherit homepage;
+    description = "Editor for the ${brand} ${type} digital mixer";
+    license = licenses.unfree;
+    platforms = platforms.linux;
+    maintainers = [ maintainers.magnetophon ];
+  };
+}