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/hid/default.nix

@@ -0,0 +1,33 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, hidapi
+, nose
+}:
+
+buildPythonPackage rec {
+  pname = "hid";
+  version = "1.0.5";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-HpVOf3q5t8nfx421lQRpLBfbO3EklJK5drFSW5fbsOg=";
+  };
+
+  propagatedBuildInputs = [ hidapi ];
+
+  checkInputs = [ nose ];
+
+ postPatch = ''
+    hidapi=${hidapi}/lib/
+    test -d $hidapi || { echo "ERROR: $hidapi doesn't exist, please update/fix this build expression."; exit 1; }
+    sed -i -e "s|libhidapi|$hidapi/libhidapi|" hid/__init__.py
+  '';
+
+  meta = with lib; {
+    description = "hidapi bindings in ctypes";
+    homepage = "https://github.com/apmorton/pyhidapi";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ AndersonTorres ];
+  };
+}