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/rocm-device-libs/default.nix

@@ -0,0 +1,46 @@
+{ lib, stdenv
+, fetchFromGitHub
+, writeScript
+, cmake
+, clang
+, clang-unwrapped
+, lld
+, llvm
+}:
+
+stdenv.mkDerivation rec {
+  pname = "rocm-device-libs";
+  version = "5.1.0";
+
+  src = fetchFromGitHub {
+    owner = "RadeonOpenCompute";
+    repo = "ROCm-Device-Libs";
+    rev = "rocm-${version}";
+    hash = "sha256-kmCk+BpM1QCJzEAkru2LK3CGwVXNUEZBFicmwnrPcx8=";
+  };
+
+  nativeBuildInputs = [ cmake ];
+
+  buildInputs = [ clang lld llvm ];
+
+  cmakeFlags = [
+    "-DCMAKE_PREFIX_PATH=${llvm}/lib/cmake/llvm;${clang-unwrapped}/lib/cmake/clang"
+    "-DLLVM_TARGETS_TO_BUILD='AMDGPU;X86'"
+    "-DCLANG=${clang}/bin/clang"
+  ];
+
+  passthru.updateScript = writeScript "update.sh" ''
+    #!/usr/bin/env nix-shell
+    #!nix-shell -i bash -p curl jq common-updater-scripts
+    version="$(curl -sL "https://api.github.com/repos/RadeonOpenCompute/ROCm-Device-Libs/releases?per_page=1" | jq '.[0].tag_name | split("-") | .[1]' --raw-output)"
+    update-source-version rocm-device-libs "$version"
+  '';
+
+  meta = with lib; {
+    description = "Set of AMD-specific device-side language runtime libraries";
+    homepage = "https://github.com/RadeonOpenCompute/ROCm-Device-Libs";
+    license = licenses.ncsa;
+    maintainers = with maintainers; [ lovesegfault ];
+    platforms = platforms.linux;
+  };
+}