timeutil internally uses 1900 as base year for calculation,
that is hidden from caller context. Thus declared a macro in
the public header file, and uses that macro will let caller adjust the
calulations accordingly.
Signed-off-by: Anuj Pathak <anuj@croxel.com>
Move various utilities out of lib into own folder for better assignement
and management in the maintainer file. lib/os has become another dumping
ground for everything and it the Kconfig and contents in that folder
became difficult to manage, configure and test.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>