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/python-modules/libevdev/default.nix

@@ -0,0 +1,35 @@
+{ lib
+, buildPythonPackage
+, isPy27
+, fetchPypi
+, substituteAll
+, pkgs
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "libevdev";
+  version = "0.10";
+  disabled = isPy27;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-9LM2Ftr6qmQYysCxso+XJSthwJdOU01J+yL8ZWbtwRM=";
+  };
+
+  patches = [
+    (substituteAll {
+      src = ./fix-paths.patch;
+      libevdev = lib.getLib pkgs.libevdev;
+    })
+  ];
+
+  checkInputs = [ pytestCheckHook ];
+
+  meta = with lib; {
+    description = "Python wrapper around the libevdev C library";
+    homepage = "https://gitlab.freedesktop.org/libevdev/python-libevdev";
+    license = licenses.mit;
+    maintainers = with maintainers; [ nickhu ];
+  };
+}

pkgs/development/python-modules/libevdev/fix-paths.patch

@@ -0,0 +1,22 @@
+diff --git a/libevdev/_clib.py b/libevdev/_clib.py
+index 6e4ab2c..9db54d1 100644
+--- a/libevdev/_clib.py
++++ b/libevdev/_clib.py
+@@ -120,7 +120,7 @@ class Libevdev(_LibraryWrapper):
+ 
+     @staticmethod
+     def _cdll():
+-        return ctypes.CDLL("libevdev.so.2", use_errno=True)
++        return ctypes.CDLL("@libevdev@/lib/libevdev.so.2", use_errno=True)
+ 
+     _api_prototypes = {
+         # const char *libevdev_event_type_get_name(unsigned int type);
+@@ -910,7 +910,7 @@ class UinputDevice(_LibraryWrapper):
+ 
+     @staticmethod
+     def _cdll():
+-        return ctypes.CDLL("libevdev.so.2", use_errno=True)
++        return ctypes.CDLL("@libevdev@/lib/libevdev.so.2", use_errno=True)
+ 
+     _api_prototypes = {
+         # int libevdev_uinput_create_from_device(const struct libevdev *, int, struct libevdev_uinput **)