bluetooth/init/prj_ctlr_peripheral_ext_priv.conf

CONFIG_BT=y
CONFIG_BT_BROADCASTER=y
CONFIG_BT_PERIPHERAL=y
CONFIG_BT_OBSERVER=n
CONFIG_BT_CENTRAL=n
CONFIG_BT_SMP=y
CONFIG_BT_PRIVACY=y
CONFIG_BT_EXT_ADV=y
CONFIG_BT_CTLR_ADV_EXT=y
CONFIG_ZTEST=y