Update the files which contain no license information with the
'Apache-2.0' SPDX license identifier. Many source files in the tree are
missing licensing information, which makes it harder for compliance
tools to determine the correct license.
By default all files without license information are under the default
license of Zephyr, which is Apache version 2.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Make sure that can_copy_*() functions work as expected.
These functions are used by SocketCAN support.
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>