python3-pylint: allow native build

We use pylint for some native recipes in our build. Allow pylint
to be a native recipe, and likewise allow its runtime dependencies
to be native recipes.

Signed-off-by: Daniel McGregor <daniel.mcgregor@vecima.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-python/recipes-devtools/python/python3-dill_0.3.7.bb

@@ -15,3 +15,5 @@ RDEPENDS:${PN} += "\
     ${PYTHON_PN}-profile \
     ${PYTHON_PN}-core \
 "
+
+BBCLASSEXTEND = "native nativesdk"