package/python-can: add missing dependencies

Since version 4.0.0 python-can requires the following additional
packages:

- packaging
- typing_extensions

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/python-can/Config.in

@@ -3,6 +3,8 @@ config BR2_PACKAGE_PYTHON_CAN
 	select BR2_PACKAGE_PYTHON_SETUPTOOLS # runtime
 	select BR2_PACKAGE_PYTHON3_SQLITE # runtime
 	select BR2_PACKAGE_PYTHON_AENUM # runtime
+	select BR2_PACKAGE_PYTHON_PACKAGING # runtime
+	select BR2_PACKAGE_PYTHON_TYPING_EXTENSIONS # runtime
 	select BR2_PACKAGE_PYTHON_WRAPT # runtime
 	select BR2_PACKAGE_PYTHON3_ZLIB
 	help