Bluetooth: controller: Increase conn count only on success
Bluetooth: controller: Increase conn count only on success

Since a connection attempt can fail and will still generate an LE
Connection Complete event, check the status from the LL control module
before incrementing the HCI connection count used for flow control.

Signed-off-by: Carles Cufi <853081dc8dca4fe6a7e3c984752718b5db36e060@nordicsemi.no>

mbolivar/zephyr,GiulianoFranchetto/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,zephyriot/zephyr,kraj/zephyr,kraj/zephyr,fbsder/zephyr,runchip/zephyr-cc3220,runchip/zephyr-cc3220,nashif/zephyr,punitvara/zephyr,mbolivar/zephyr,explora26/zephyr,explora26/zephyr,rsalveti/zephyr,rsalveti/zephyr,finikorg/zephyr,GiulianoFranchetto/zephyr,rsalveti/zephyr,ldts/zephyr,nashif/zephyr,explora26/zephyr,GiulianoFranchetto/zephyr,rsalveti/zephyr,Vudentz/zephyr,mbolivar/zephyr,Vudentz/zephyr,ldts/zephyr,Vudentz/zephyr,kraj/zephyr,galak/zephyr,runchip/zephyr-cc3220,fbsder/zephyr,zephyriot/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,zephyriot/zephyr,aceofall/zephyr-iotos,nashif/zephyr,aceofall/zephyr-iotos,fbsder/zephyr,mbolivar/zephyr,GiulianoFranchetto/zephyr,galak/zephyr,galak/zephyr,punitvara/zephyr,zephyriot/zephyr,finikorg/zephyr,kraj/zephyr,fbsder/zephyr,explora26/zephyr,galak/zephyr,mbolivar/zephyr,ldts/zephyr,punitvara/zephyr,kraj/zephyr,runchip/zephyr-cc3220,finikorg/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,aceofall/zephyr-iotos,aceofall/zephyr-iotos,Vudentz/zephyr,punitvara/zephyr,Vudentz/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,ldts/zephyr,rsalveti/zephyr,GiulianoFranchetto/zephyr,fbsder/zephyr,explora26/zephyr,nashif/zephyr,aceofall/zephyr-iotos,Vudentz/zephyr,runchip/zephyr-cc3220,zephyriot/zephyr,punitvara/zephyr,ldts/zephyr,nashif/zephyr