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/tools/misc/abi-dumper/default.nix

@@ -0,0 +1,33 @@
+{ lib, stdenv, fetchFromGitHub, ctags, perl, elfutils, vtable-dumper }:
+
+stdenv.mkDerivation rec {
+  pname = "abi-dumper";
+  version = "1.2";
+
+  src = fetchFromGitHub {
+    owner = "lvc";
+    repo = "abi-dumper";
+    rev = version;
+    sha256 = "1i00rfnddrrb9lb1l6ib19g3a76pyasl9lb7rqz2p998gav1gjp2";
+  };
+
+  patchPhase = ''
+    substituteInPlace abi-dumper.pl \
+      --replace eu-readelf ${elfutils}/bin/eu-readelf \
+      --replace vtable-dumper ${vtable-dumper}/bin/vtable-dumper \
+      --replace '"ctags"' '"${ctags}/bin/ctags"'
+  '';
+
+  buildInputs = [ elfutils ctags perl vtable-dumper ];
+
+  preBuild = "mkdir -p $out";
+  makeFlags = [ "prefix=$(out)" ];
+
+  meta = with lib; {
+    homepage = "https://github.com/lvc/abi-dumper";
+    description = "Dump ABI of an ELF object containing DWARF debug info";
+    license = licenses.lgpl21;
+    maintainers = [ maintainers.bhipple ];
+    platforms = platforms.all;
+  };
+}