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/loadlibrary/default.nix

@@ -0,0 +1,31 @@
+{ lib, cabextract, fetchFromGitHub, readline, stdenv_32bit }:
+
+# stdenv_32bit is needed because the program depends upon 32-bit libraries and does not have
+# support for 64-bit yet: it requires libc6-dev:i386, libreadline-dev:i386.
+
+stdenv_32bit.mkDerivation rec {
+  pname = "loadlibrary";
+  version = "20170525-${lib.strings.substring 0 7 rev}";
+  rev = "721b084c088d779075405b7f20c77c2578e2a961";
+  src = fetchFromGitHub {
+    inherit rev;
+    owner = "taviso";
+    repo = "loadlibrary";
+    sha256 = "01hb7wzfh1s5b8cvmrmr1gqknpq5zpzj9prq3wrpsgg129jpsjkb";
+  };
+
+  buildInputs = [ cabextract readline ];
+
+  installPhase = ''
+    mkdir -p $out/bin/
+    cp mpclient $out/bin/
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/taviso/loadlibrary";
+    description = "Porting Windows Dynamic Link Libraries to Linux";
+    platforms = platforms.linux;
+    maintainers = [ maintainers.eleanor ];
+    license = licenses.gpl2;
+  };
+}