Bluetooth: Controller: nRF51x: Use BT_LL_SW_LLCP_LEGACY

Use BT_LL_SW_LLCP_LEGACY for nRF51x SoCs.

Signed-off-by: Vinayak Kariappa Chettimada <[email protected]>

Author: cvinayak

subsys/bluetooth/controller/Kconfig.ll_sw_split

@@ -108,6 +108,7 @@ config BT_CTLR_ULL_LLL_PRIO_SUPPORT
 
 choice BT_LL_SW_LLCP_IMPL
 	prompt "Bluetooth Low Energy Software Link Layer Control Procedure Implementation"
+	default BT_LL_SW_LLCP_LEGACY if SOC_SERIES_NRF51X
 	default BT_LL_SW_LLCP
 	help
 	  Select the Bluetooth Low Energy Software Link Layer Control Procedure implementation.

tests/bluetooth/init/testcase.yaml

@@ -321,10 +321,8 @@ tests:
     platform_allow:
       - nrf52840dk/nrf52840
       - nrf52dk/nrf52832
-      - nrf51dk/nrf51822
     integration_platforms:
       - nrf52840dk/nrf52840
-      - nrf51dk/nrf51822
   bluetooth.init.test_h5:
     extra_args:
       - CONF_FILE=prj_h5.conf