[nrf noup] bluetooth: controller: default to SPLIT architecture

Default the BLE Controller to the SPLIT architecture.

Signed-off-by: Ioannis Glaropoulos <[email protected]>
(cherry picked from commit 7b202cc)

Author: ioannisg

subsys/bluetooth/controller/Kconfig

@@ -65,6 +65,7 @@ if BT_CTLR
 
 choice BT_LL_CHOICE
 	prompt "Bluetooth Link Layer Selection"
+	default BT_LL_SW_SPLIT
 	help
 	  Select the Bluetooth Link Layer to compile.