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/beam-modules/webdriver/default.nix

@@ -0,0 +1,40 @@
+{ lib, stdenv, fetchFromGitHub, writeText, erlang }:
+
+let
+  shell = drv: stdenv.mkDerivation {
+    name = "interactive-shell-${drv.name}";
+    buildInputs = [ drv ];
+  };
+
+  pkg = self: stdenv.mkDerivation {
+    pname = "webdriver";
+    version = "0.pre+unstable=2015-02-08";
+
+    src = fetchFromGitHub {
+      owner = "Quviq";
+      repo = "webdrv";
+      rev = "7ceaf1f67d834e841ca0133b4bf899a9fa2db6bb";
+      sha256 = "1pq6pmlr6xb4hv2fvmlrvzd8c70kdcidlgjv4p8n9pwvkif0cb87";
+    };
+
+    setupHook = writeText "setupHook.sh" ''
+       addToSearchPath ERL_LIBS "$1/lib/erlang/lib/"
+    '';
+
+    buildInputs = [ erlang ];
+
+    installFlags = [ "PREFIX=$(out)/lib/erlang/lib" ];
+
+    meta = {
+      description = "WebDriver implementation in Erlang";
+      license = lib.licenses.mit;
+      homepage = "https://github.com/Quviq/webdrv";
+      maintainers = with lib.maintainers; [ ericbmerritt ];
+    };
+
+    passthru = {
+      env = shell self;
+    };
+
+  };
+in lib.fix pkg