modules: canopennode: rename header and Kconfig options

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>
13 files changed