Bluetooth: controller: ULL: Fix DF build error if CTE Tx is disabled
Bluetooth: controller: ULL: Fix DF build error if CTE Tx is disabled

Add missing #if defined(CONFIG_BT_CTLR_DF_ADV_CTE_TX) statements
to fix build errors of Direction Finding code when
the CONFIG_BT_CTLR_DF_ADV_CTE_TX Kconfig entry is not set.

Signed-off-by: Piotr Pryga <4cae3388a6c6e480df2109bb21aa832bf2c59595@nordicsemi.no>

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