release: Update release notes

Kernel

******

* Interesting change

* Use k_cycle_get_32 instead of sys_cycle_get_32 for Kernel

* Added k_panic() and k_oops() APIs for Kernel

* Added k_thread_create() API for Kernel

* Added k_queue API for Kernel

* Add tickless kernel support

Architectures

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* arm: Update core to use struct k_thread

* arm: Added ARM MPU support

* dts: Added ARM CMSDK support

* arm: Added Initial support for NXP MPU

* arm: Added Device Tree Support for nRF52832 SoC based boards

* arm: Fixed nRF52840-QIAA SoC support for device tree

* arm: Added Device Tree Support for nRF52840 SoC & boards

* arm: Added Device Tree Support for nRF51822 SoC & boards

* dts: Introduced st/mem.h for FLASH & SRAM sizes

* dts: Put IRQ priority into the interrupt property

* arm: Support for MKL25Z soc

* arm: Added FPU support

* x86: defined MMU data structures

* Support for ARC EM Starter Kit version 2.3 added

Boards

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* Interesting change

* Added qemu_xtensa board definition

* Added a more informative page fault handler x86 board

* xtensa: build similar to other Zephyr arches

* Define MMU data structures for x86 board

* Added support for board disco_l475_iot1

* Added STM32F413 Nucleo board

* Added support for the CC3220SF_LAUNCHXL board

* Support for new ARM board FRDM-KL25Z

* arduino_101 board enable GPIO by default

* boards: convert to using newly introduced integer sized types

* arm: Added support for Nucleo L432KC board

* arm: Added support for STM32L496G Discovery board

* arm: Added support for STM32F469I-DISCO board

Drivers and Sensors

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* Support for pull-style console API

* nRF5 IEEE 802.15.4 radio driver added

* KW41Z IEEE 802.15.4 radio driver added

* Added MCUX TRNG driver

* Added support for the SiFive Freedom E310 pinmux driver

* drivers/sensor: Convert formatter strings to use PRI defines

* Added lps22hb sensor driver

* Added lsm6dsl sensor driver

* Added heart rate sensor driver

* Added support for max30101 heart rate sensor

* Added support for lis2dh accelerometer

Networking

**********

* BR/EDR: Added HFP (e)SCO audio channel establishment support

* BR/EDR: Added support for a functional SDP server

Build and Infrastructure

************************

* Interesting change

* Support building host tools

* Added separate DTS target

* Added support for MSYS2

* Use -O2 instead of -Os for ARC with SDK 0.9

Libraries

*********

* Interesting change

* Added library for software driven I2C

* Created a HTTP library

* Added HTTP server library support

* Added minimal JSON library

* Update TinyCrypt to version 0.2.6

* Added minimal JSON library

HALs

****

* Interesting change

* Added Atmel SAM family I2C (TWIHS) driver

* Added Atmel SAM serial (UART) driver

* Added WDT driver for Atmel SAM SoCs

* Added Atmel SAM4S SoC support

* Imported Nordic 802.15.4 radio driver

* Added Initial support for NXP MPU

* Updated QMSI to 1.4 RC4

* Added FPU support

* Added basic support for STM32F413

* Introduced STM32F4x DMA driver

* pinmux: stm32: Added support for Nucleo L432KC

* Added support for STM32L496G Discovery board

* Added dts for STM32F407

* Added support for STM32F4DISCOVERY Board

* Added support for STM32F469XI

* Added support for STM32F469I-DISCO

Documentation

*************

Tests and Samples

*****************

* Interesting change

Deprecations

************

* Added test to verify same tick timeout expiry order

* Added clock_test for kernel

* Added tickless tests

* Added a simple CC2520 crypto dev test

* Added combined observer & broadcaster app for Bluetooth samples

* Added support to wait both IPv4 and IPv6

* Enabled tickless kernel option in some apps

* Interesting change

JIRA Related Items

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