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/tools/misc/roundup/default.nix

@@ -0,0 +1,38 @@
+{ lib, stdenv, fetchFromGitHub, ronn, shocco }:
+
+stdenv.mkDerivation rec {
+  pname = "roundup";
+  version = "0.0.6";
+
+  src = fetchFromGitHub {
+    owner = "bmizerany";
+    repo = "roundup";
+    rev = "v${version}";
+    sha256 = "0nxaqmbv8mdvq9wcaqxk6k5mr31i68jzxf1wxa6pp7xp4prwdc9z";
+  };
+
+  prePatch = ''
+    # Don't change $PATH
+    substituteInPlace configure --replace PATH= NIRVANA=
+    # There are only man pages in sections 1 and 5 \
+    substituteInPlace Makefile --replace "{1..9}" "1 5"
+  '';
+
+  nativeBuildInputs = [ ronn shocco ];
+
+  installTargets = [ "install" "install-man" ];
+
+  preInstall = ''
+    for i in 1 5; do
+      mkdir -p $out/share/man/man$i
+    done
+  '';
+
+  meta = with lib; {
+    description = "A unit testing tool for running test plans which are written in any POSIX shell";
+    homepage = "http://bmizerany.github.io/roundup/";
+    license = licenses.mit;
+    maintainers = with maintainers; [ dotlambda ];
+    platforms = platforms.all;
+  };
+}