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/radio/flwrap/default.nix

@@ -0,0 +1,34 @@
+{ lib
+, stdenv
+, fetchurl
+, fltk13
+, libjpeg
+, pkg-config
+}:
+
+stdenv.mkDerivation rec {
+  version = "1.3.5";
+  pname = "flwrap";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/fldigi/${pname}-${version}.tar.gz";
+    sha256 = "0qqivqkkravcg7j45740xfky2q3k7czqpkj6y364qff424q2pppg";
+  };
+
+  buildInputs = [
+    fltk13
+    libjpeg
+  ];
+
+  nativeBuildInputs = [
+    pkg-config
+  ];
+
+  meta = {
+    description = "Digital modem file transfer program";
+    homepage = "https://sourceforge.net/projects/fldigi/";
+    license = lib.licenses.gpl3Plus;
+    maintainers = with lib.maintainers; [ dysinger ];
+    platforms = lib.platforms.linux;
+  };
+}