bluetooth: controller: Allow any controller to config PHY support
bluetooth: controller: Allow any controller to config PHY support

For the time being this 2M is only selectable for !nRF51 platforms.
Coded PHY is only selectable for nRF platforms supporting Coded PHY.

Signed-off-by: Rubin Gerritsen <eddef76671ab7f54bc92622aa9c9d13467ed93c1@nordicsemi.no>

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