Rename the top-level header file from <canbus/canopen.h> to
<canopennode.h>.
Rename CANopenNode related Kconfig options from CONFIG_CANOPEN* to
CONFIG_CANOPENNODE*.
Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
Move the Zephyr-specific interface and support code for CANopenNode into
the modules directory. Consolidate the CMakeLists.txt files into one.
Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>