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/libbap/default.nix

@@ -0,0 +1,35 @@
+{ lib, stdenv, fetchFromGitHub, bap, ocaml, findlib, ctypes, autoreconfHook,
+  which }:
+
+stdenv.mkDerivation {
+  pname = "libbap";
+  version = "master-2020-11-25";
+
+  src = fetchFromGitHub {
+    owner = "BinaryAnalysisPlatform";
+    repo = "bap-bindings";
+    rev = "3193cb31e1b1f2455406ea0c819dad9dfa2ba10d";
+    sha256 = "0m4spva3z6fgbwlg4zq53l5p227dic893q2qq65pvzxyf7k7nmil";
+  };
+
+  postPatch = ''
+    substituteInPlace Makefile.in \
+      --replace "-linkpkg" "-thread -linkpkg"
+  '';
+
+  nativeBuildInputs = [ autoreconfHook which ocaml findlib ];
+  buildInputs = [ bap ctypes ];
+
+  preInstall = ''
+    mkdir -p $out/lib
+    mkdir -p $out/include
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/binaryanalysisplatform/bap-bindings";
+    description = "A C library for interacting with BAP";
+    maintainers = [ maintainers.maurer ];
+    platforms = platforms.unix;
+    license = licenses.mit;
+  };
+}