Bluetooth: controller: Fix CPR initiation while in Enc. setup
Bluetooth: controller: Fix CPR initiation while in Enc. setup

Fixes a bug where in Connection Parameter Request was
initiated by slave role while Encryption Setup had been
started by the peer master.

Fixes: #5823

Signed-off-by: Vinayak Kariappa Chettimada <e780c9f87dc729ad454f47292ad82c8652353064@nordicsemi.no>

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