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/string-machine/default.nix

@@ -0,0 +1,36 @@
+{ lib, stdenv, fetchFromGitHub, boost, cairo, lv2, pkg-config }:
+
+stdenv.mkDerivation rec {
+  pname = "string-machine";
+  version = "unstable-2020-01-20";
+
+  src = fetchFromGitHub {
+    owner = "jpcima";
+    repo = pname;
+    rev = "188082dd0beb9a3c341035604841c53675fe66c4";
+    sha256 = "0l9xrzp3f0hk6h320qh250a0n1nbd6qhjmab21sjmrlb4ngy672v";
+    fetchSubmodules = true;
+  };
+
+  postPatch = ''
+    patchShebangs ./dpf/utils/generate-ttl.sh
+  '';
+
+  nativeBuildInputs = [ pkg-config ];
+
+  buildInputs = [
+    boost cairo lv2
+  ];
+
+  makeFlags = [
+    "PREFIX=$(out)"
+  ];
+
+  meta = with lib; {
+    homepage = "https://github.com/jpcima/string-machine";
+    description = "Digital model of electronic string ensemble instrument";
+    maintainers = [ maintainers.magnetophon ];
+    platforms = intersectLists platforms.linux platforms.x86;
+    license = licenses.boost;
+  };
+}