Add documentation in the timeutil group for recently added functions
for validating, comparing, and manipulating `struct timespec`
objects as well as functions for converting between representation
of time durations as either `struct timespec` or `k_timeout_t`.
Signed-off-by: Chris Friedt <cfriedt@tenstorrent.com>
SIG has changed Bluetooth mesh to Bluetooth Mesh
Updating zephyr docs accordingly
Leaving out old release notes
Signed-off-by: Mia Koen <mia.koen@nordicsemi.no>
Move this section under the kernel and alongside other core and low
level features that are tied to the kernel.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>