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/bobcat/default.nix

@@ -0,0 +1,44 @@
+{ lib, stdenv, fetchFromGitLab, icmake
+, libmilter, libX11, openssl, readline
+, util-linux, yodl }:
+
+stdenv.mkDerivation rec {
+  pname = "bobcat";
+  version = "5.09.01";
+
+  src = fetchFromGitLab {
+    sha256 = "sha256-kaz15mNn/bq1HUknUJqXoLYxPRPX4w340sv9be0M+kQ=";
+    domain = "gitlab.com";
+    rev = version;
+    repo = "bobcat";
+    owner = "fbb-git";
+  };
+
+  buildInputs = [ libmilter libX11 openssl readline util-linux ];
+  nativeBuildInputs = [ icmake yodl ];
+
+  setSourceRoot = ''
+    sourceRoot=$(echo */bobcat)
+  '';
+
+  postPatch = ''
+    substituteInPlace INSTALL.im --replace /usr $out
+    patchShebangs .
+  '';
+
+  buildPhase = ''
+    ./build libraries all
+    ./build man
+  '';
+
+  installPhase = ''
+    ./build install x
+  '';
+
+  meta = with lib; {
+    description = "Brokken's Own Base Classes And Templates";
+    homepage = "https://fbb-git.gitlab.io/bobcat/";
+    license = licenses.gpl3;
+    platforms = platforms.linux;
+  };
+}