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/libopcodes/default.nix

@@ -0,0 +1,44 @@
+{ lib, stdenv, buildPackages
+, autoreconfHook, bison, binutils-unwrapped
+, libiberty, libbfd
+}:
+
+stdenv.mkDerivation {
+  pname = "libopcodes";
+  inherit (binutils-unwrapped) version src;
+
+  outputs = [ "out" "dev" ];
+
+  patches = binutils-unwrapped.patches ++ [
+    ../../tools/misc/binutils/build-components-separately.patch
+  ];
+
+  # We just want to build libopcodes
+  postPatch = ''
+    cd opcodes
+    find . ../include/opcode -type f -exec sed {} -i -e 's/"bfd.h"/<bfd.h>/' \;
+  '';
+
+  depsBuildBuild = [ buildPackages.stdenv.cc ];
+  nativeBuildInputs = [ autoreconfHook bison ];
+  buildInputs = [ libiberty ];
+  # dis-asm.h includes bfd.h
+  propagatedBuildInputs = [ libbfd ];
+
+  configurePlatforms = [ "build" "host" ];
+  configureFlags = [
+    "--enable-targets=all" "--enable-64-bit-bfd"
+    "--enable-install-libbfd"
+    "--enable-shared"
+  ];
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    description = "A library from binutils for manipulating machine code";
+    homepage = "https://www.gnu.org/software/binutils/";
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ ericson2314 ];
+    platforms = platforms.unix;
+  };
+}