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/libraries/cl/default.nix

@@ -0,0 +1,36 @@
+{lib, stdenv, fetchFromGitHub, rebar, erlang, opencl-headers, ocl-icd }:
+
+stdenv.mkDerivation rec {
+  version = "1.2.4";
+  pname = "cl";
+
+  src = fetchFromGitHub {
+    owner = "tonyrog";
+    repo = "cl";
+    rev = "cl-${version}";
+    sha256 = "1gwkjl305a0231hz3k0w448dsgbgdriaq764sizs5qfn59nzvinz";
+  };
+
+  buildInputs = [ erlang rebar opencl-headers ocl-icd ];
+
+  buildPhase = ''
+    rebar compile
+  '';
+
+  # 'cp' line taken from Arch recipe
+  # https://projects.archlinux.org/svntogit/community.git/tree/trunk/PKGBUILD?h=packages/erlang-sdl
+  installPhase = ''
+    DIR=$out/lib/erlang/lib/${pname}-${version}
+    mkdir -p $DIR
+    cp -ruv c_src doc ebin include priv src $DIR
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/tonyrog/cl";
+    description = "OpenCL binding for Erlang";
+    license = licenses.mit;
+    # https://github.com/tonyrog/cl/issues/39
+    broken = stdenv.isAarch64;
+    platforms = platforms.linux;
+  };
+}