releasenotes: update with doc issues addressed
releasenotes: update with doc issues addressed

Add documentation changes with this release

Signed-off-by: David B. Kinder <c56c8b29908a5b2af1b63001268d73a0b7f972ba@intel.com>

mbolivar/zephyr,explora26/zephyr,zephyriot/zephyr,kraj/zephyr,Vudentz/zephyr,zephyriot/zephyr,finikorg/zephyr,nashif/zephyr,GiulianoFranchetto/zephyr,kraj/zephyr,explora26/zephyr,ldts/zephyr,zephyrproject-rtos/zephyr,zephyriot/zephyr,Vudentz/zephyr,ldts/zephyr,punitvara/zephyr,zephyriot/zephyr,Vudentz/zephyr,punitvara/zephyr,ldts/zephyr,kraj/zephyr,nashif/zephyr,zephyrproject-rtos/zephyr,punitvara/zephyr,GiulianoFranchetto/zephyr,galak/zephyr,ldts/zephyr,nashif/zephyr,finikorg/zephyr,Vudentz/zephyr,mbolivar/zephyr,zephyriot/zephyr,mbolivar/zephyr,galak/zephyr,kraj/zephyr,explora26/zephyr,nashif/zephyr,GiulianoFranchetto/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,GiulianoFranchetto/zephyr,Vudentz/zephyr,explora26/zephyr,nashif/zephyr,finikorg/zephyr,galak/zephyr,mbolivar/zephyr,finikorg/zephyr,GiulianoFranchetto/zephyr,galak/zephyr,explora26/zephyr,punitvara/zephyr,mbolivar/zephyr,zephyrproject-rtos/zephyr,ldts/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,Vudentz/zephyr,kraj/zephyr,punitvara/zephyr