Bluetooth: host: Compile master role conn complete conditionally
Bluetooth: host: Compile master role conn complete conditionally

Connection complete event with error code can be received only for
central role and can be compiled conditionally.

Signed-off-by: Szymon Janc <db186c297188f7acbbdc9bbd6aff2f45665bb42d@codecoup.pl>

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