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/gdbgui/default.nix

@@ -0,0 +1,51 @@
+{ lib
+, buildPythonApplication
+, fetchPypi
+, gdb
+, flask-socketio
+, flask-compress
+, pygdbmi
+, pygments
+, }:
+
+buildPythonApplication rec {
+  pname = "gdbgui";
+
+  version = "0.15.0.1";
+
+
+  buildInputs = [ gdb ];
+  propagatedBuildInputs = [
+    flask-socketio
+    flask-compress
+    pygdbmi
+    pygments
+  ];
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-bwrleLn3GBx4Mie2kujtaUo+XCALM+hRLySIZERlBg0=";
+  };
+
+  postPatch = ''
+    echo ${version} > gdbgui/VERSION.txt
+    # remove upper version bound
+    sed -ie 's!,.*<.*!!' requirements.in
+  '';
+
+  postInstall = ''
+    wrapProgram $out/bin/gdbgui \
+      --prefix PATH : ${lib.makeBinPath [ gdb ]}
+  '';
+
+  # tests do not work without stdout/stdin
+  doCheck = false;
+
+  meta = with lib; {
+    description = "A browser-based frontend for GDB";
+    homepage = "https://www.gdbgui.com/";
+    license = licenses.gpl3;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ yrashk dump_stack ];
+  };
+}