sys_dlist_insert_before and sys_dlist_insert_after have been deprecated
for at least 2 releases. We can now remove them.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
move misc/dlist.h to sys/dlist.h and
create a shim for backward-compatibility.
No functional changes to the headers.
A warning in the shim can be controlled with CONFIG_COMPAT_INCLUDES.
Related to #16539
Signed-off-by: Anas Nashif <anas.nashif@intel.com>