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/development/compilers/picat/default.nix

@@ -0,0 +1,36 @@
+{ lib, stdenv, fetchurl, zlib }:
+
+let
+  ARCH = {
+    i686-linux    = "linux32";
+    x86_64-linux  = "linux64";
+    aarch64-linux = "linux64";
+  }."${stdenv.hostPlatform.system}" or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
+in
+stdenv.mkDerivation {
+  pname = "picat";
+  version = "3.0p4";
+
+  src = fetchurl {
+    url    = "http://picat-lang.org/download/picat30_4_src.tar.gz";
+    sha256 = "1rwin44m7ni2h2v51sh2r8gj2k6wm6f86zgaylrria9jr57inpqj";
+  };
+
+  buildInputs = [ zlib ];
+
+  inherit ARCH;
+
+  hardeningDisable = [ "format" ];
+  enableParallelBuilding = true;
+
+  buildPhase = "cd emu && make -j $NIX_BUILD_CORES -f Makefile.$ARCH";
+  installPhase = "mkdir -p $out/bin && cp picat $out/bin/picat";
+
+  meta = with lib; {
+    description = "Logic-based programming langage";
+    homepage    = "http://picat-lang.org/";
+    license     = licenses.mpl20;
+    platforms   = platforms.linux;
+    maintainers = with maintainers; [ earldouglas thoughtpolice ];
+  };
+}