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/llvm/rocm/lld.nix

@@ -0,0 +1,43 @@
+{ stdenv
+, lib
+, cmake
+, libxml2
+, llvm
+, ninja
+
+, version
+, src
+}:
+
+stdenv.mkDerivation rec {
+  inherit version src;
+
+  sourceRoot = "${src.name}/lld";
+
+  pname = "lld";
+
+  nativeBuildInputs = [ cmake ninja ];
+
+  buildInputs = [ libxml2 llvm ];
+
+  outputs = [ "out" "dev" ];
+
+  cmakeFlags = [ "-DLLVM_MAIN_SRC_DIR=${src}/llvm" ];
+
+  postInstall = ''
+    moveToOutput include "$dev"
+    moveToOutput lib "$dev"
+
+    # Fix lld binary path for CMake.
+    substituteInPlace "$dev/lib/cmake/lld/LLDTargets-release.cmake" \
+      --replace "\''${_IMPORT_PREFIX}/bin/lld" "$out/bin/lld"
+  '';
+
+  meta = with lib; {
+    description = "ROCm fork of the LLVM Linker";
+    homepage = "https://github.com/RadeonOpenCompute/llvm-project";
+    license = licenses.ncsa;
+    maintainers = with maintainers; [ acowley lovesegfault ];
+    platforms = platforms.linux;
+  };
+}