Bluetooth: controller: Fix to enable Asym PHY on nRF52 Series

Fix the controller Kconfig to enable use of fast radio ramp
up by default, hence enabling support for Asym PHY updates
by default on nRF52 Series SoCs.

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

Author: cvinayak

subsys/bluetooth/controller/Kconfig

@@ -338,7 +338,7 @@ config BT_CTLR_SCHED_ADVANCED
 config BT_CTLR_RADIO_ENABLE_FAST
 	bool "Use tTXEN/RXEN,FAST ramp-up"
 	depends on SOC_SERIES_NRF52X
-	default y if SOC_NRF52840
+	default y
 	help
 	  Enable use of fast radio ramp-up mode.