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-opencl-icd/default.nix

@@ -0,0 +1,20 @@
+{ lib, stdenv, rocm-opencl-runtime }:
+
+stdenv.mkDerivation rec {
+  pname = "rocm-opencl-icd";
+  version = rocm-opencl-runtime.version;
+
+  dontUnpack = true;
+
+  installPhase = ''
+    mkdir -p $out/etc/OpenCL/vendors
+    echo "${rocm-opencl-runtime}/lib/libamdocl64.so" > $out/etc/OpenCL/vendors/amdocl64.icd
+  '';
+
+  meta = with lib; {
+    description = "OpenCL ICD definition for AMD GPUs using the ROCm stack";
+    license = licenses.mit;
+    maintainers = with maintainers; [ lovesegfault ];
+    platforms = platforms.linux;
+  };
+}