release-note: settings, management and other updates

Added notes on fallowing items:
EEPROM, IEEE 802.15.4, sensor, NET/PPP, Management,
settings, logging, shell, samples.

Signed-off-by: Andrzej Puzdrowski <andrzej.puzdrowski@nordicsemi.no>
Co-authored-by: Maureen Helm <maureen.helm@nxp.com>
1 file changed