Bluetooth: Controller: nrf54L15bsim: Use NRF_GRTC

Use NRF_GRTC in nrf54l15bsim board builds.

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

Author: cvinayak

subsys/bluetooth/controller/Kconfig.ll_sw_split

@@ -833,7 +833,7 @@ config BT_CTLR_RX_PDU_META
 
 config BT_CTLR_NRF_GRTC
 	bool "Use nRF GRTC peripheral"
-	depends on SOC_SERIES_NRF54LX
+	depends on SOC_COMPATIBLE_NRF54LX
 	select BT_TICKER_CNTR_FREE_RUNNING
 	default y
 	help