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/interpreters/python/tests/test_cpython_gdb/default.nix

@@ -0,0 +1,22 @@
+{ interpreter, lib, gdb, writeText, runCommand }:
+
+let
+  crashme-py = writeText "crashme.py" ''
+    import ctypes
+
+    def sentinel_foo_bar():
+        ctypes.memset(0, 1, 1)
+
+    sentinel_foo_bar()
+  '';
+in runCommand "python-gdb" {} ''
+  # test that gdb is able to recover the python stack frame of this segfault
+  ${gdb}/bin/gdb -batch -ex 'set debug-file-directory ${interpreter.debug}/lib/debug' \
+    -ex 'source ${interpreter}/share/gdb/libpython.py' \
+    -ex r \
+    -ex py-bt \
+    --args ${interpreter}/bin/python ${crashme-py} | grep 'in sentinel_foo_bar' > /dev/null
+
+  # success.
+  touch $out
+''