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/logic/ltl2ba/default.nix

@@ -0,0 +1,31 @@
+{ fetchurl, lib, stdenv }:
+
+stdenv.mkDerivation rec {
+  pname = "ltl2ba";
+  version = "1.3";
+
+  src = fetchurl {
+    url    = "http://www.lsv.ens-cachan.fr/~gastin/ltl2ba/${pname}-${version}.tar.gz";
+    sha256 = "1bz9gjpvby4mnvny0nmxgd81rim26mqlcnjlznnxxk99575pfa4i";
+  };
+
+  hardeningDisable = [ "format" ];
+
+  preConfigure = ''
+    substituteInPlace Makefile \
+    --replace "CC=gcc" ""
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin
+    mv ltl2ba $out/bin
+  '';
+
+  meta = {
+    description = "Fast translation from LTL formulae to Buchi automata";
+    homepage    = "http://www.lsv.ens-cachan.fr/~gastin/ltl2ba";
+    license     = lib.licenses.gpl2Plus;
+    platforms   = lib.platforms.darwin ++ lib.platforms.linux;
+    maintainers = [ lib.maintainers.thoughtpolice ];
+  };
+}