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/tools/misc/gbdfed/default.nix

@@ -0,0 +1,32 @@
+ { lib, stdenv, fetchurl, pkg-config, freetype, gtk }:
+
+stdenv.mkDerivation rec {
+  version = "1.6";
+  pname = "gbdfed";
+
+  src = fetchurl {
+    url = "http://sofia.nmsu.edu/~mleisher/Software/gbdfed/${pname}-${version}.tar.bz2";
+    sha256 = "0g09k6wim58hngxncq2brr7mwjm92j3famp0vs4b3p48wr65vcjx";
+  };
+
+  nativeBuildInputs = [ pkg-config ];
+  buildInputs = [ freetype gtk ];
+
+  patches = [ ./Makefile.patch ];
+
+  hardeningDisable = [ "format" ];
+
+  meta = {
+    description = "Bitmap Font Editor";
+    longDescription = ''
+      gbdfed lets you interactively create new bitmap font files or modify existing ones.
+      It allows editing multiple fonts and multiple glyphs,
+      it allows cut and paste operations between fonts and glyphs and editing font properties.
+      The editor works natively with BDF fonts.
+    '';
+    homepage = "http://sofia.nmsu.edu/~mleisher/Software/gbdfed/";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.linquize ];
+    platforms = lib.platforms.all;
+  };
+}