Bluetooth: controller: llcp: phy update proc, validate phys and instant
Bluetooth: controller: llcp: phy update proc, validate phys and instant

Implementing proper validation of PHY selection for PHY UPDATE procedure
Implement connection termination on PHY UPDATE with instant in the past

Signed-off-by: Erik Brockhoff <4dcf6e87472f737c02be7e0ee5609656d9dd6caa@oticon.com>

finikorg/zephyr,galak/zephyr,galak/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,galak/zephyr