Bluetooth: Controller: Enhance experimental SW_SPLIT Kconfigs names

This makes the it more intuitive when searching.

Signed-off-by: Rubin Gerritsen <[email protected]>

subsys/bluetooth/controller/Kconfig

@@ -494,7 +494,7 @@ config BT_CTLR_ADV_EXT
 	  Controller.
 
 config BT_CTLR_ADV_EXT
-	prompt "LE Advertising Extensions [EXPERIMENTAL]" if BT_LL_SW_SPLIT
+	prompt "LE Advertising Extensions (Split Link Layer) [EXPERIMENTAL]" if BT_LL_SW_SPLIT
 	select EXPERIMENTAL if BT_LL_SW_SPLIT
 
 config PROMPT_ADJUSTMENT_WORKAROUND
@@ -544,7 +544,7 @@ config BT_CTLR_ADV_PERIODIC
 	  Controller.
 
 config BT_CTLR_ADV_PERIODIC
-	bool "LE Periodic Advertising in Advertising State [EXPERIMENTAL]" if BT_LL_SW_SPLIT
+	bool "LE Periodic Advertising in Advertising State (Split Link Layer) [EXPERIMENTAL]" if BT_LL_SW_SPLIT
 	select EXPERIMENTAL if BT_LL_SW_SPLIT
 
 config PROMPT_ADJUSTMENT_WORKAROUND
@@ -567,7 +567,7 @@ config BT_CTLR_SYNC_PERIODIC
 	  Synchronization state in the Controller.
 
 config BT_CTLR_SYNC_PERIODIC
-	bool "LE Periodic Advertising in Synchronization State [EXPERIMENTAL]" if BT_LL_SW_SPLIT
+	bool "LE Periodic Advertising in Synchronization State (Split Link Layer) [EXPERIMENTAL]" if BT_LL_SW_SPLIT
 	select EXPERIMENTAL if BT_LL_SW_SPLIT
 
 config PROMPT_ADJUSTMENT_WORKAROUND
@@ -621,7 +621,7 @@ config BT_CTLR_ADV_ISO
 	  Controller.
 
 config BT_CTLR_ADV_ISO
-	bool "LE Broadcast Isochronous Channel advertising [EXPERIMENTAL]" if BT_LL_SW_SPLIT
+	bool "LE Broadcast Isochronous Channel advertising (Split Link Layer) [EXPERIMENTAL]" if BT_LL_SW_SPLIT
 	select EXPERIMENTAL if BT_LL_SW_SPLIT
 
 config BT_CTLR_SYNC_ISO
@@ -634,7 +634,7 @@ config BT_CTLR_SYNC_ISO
 	  the Controller.
 
 config BT_CTLR_SYNC_ISO
-	bool "LE Broadcast Isochronous Channel advertising sync [EXPERIMENTAL]" if BT_LL_SW_SPLIT
+	bool "LE Broadcast Isochronous Channel advertising sync (Split Link Layer) [EXPERIMENTAL]" if BT_LL_SW_SPLIT
 	select EXPERIMENTAL if BT_LL_SW_SPLIT
 
 config BT_CTLR_BROADCAST_ISO
@@ -712,7 +712,7 @@ config BT_CTLR_CENTRAL_ISO
 	  Central role in the Controller.
 
 config BT_CTLR_CENTRAL_ISO
-	bool "LE Connected Isochronous Stream Central [EXPERIMENTAL]" if BT_LL_SW_SPLIT
+	bool "LE Connected Isochronous Stream Central (Split Link Layer) [EXPERIMENTAL]" if BT_LL_SW_SPLIT
 	select BT_CTLR_SET_HOST_FEATURE
 	select EXPERIMENTAL if BT_LL_SW_SPLIT
 
@@ -724,7 +724,7 @@ config BT_CTLR_PERIPHERAL_ISO
 	  Peripheral role in the Controller.
 
 config BT_CTLR_PERIPHERAL_ISO
-	bool "LE Connected Isochronous Stream Peripheral [EXPERIMENTAL]" if BT_LL_SW_SPLIT
+	bool "LE Connected Isochronous Stream Peripheral (Split Link Layer) [EXPERIMENTAL]" if BT_LL_SW_SPLIT
 	select BT_CTLR_SET_HOST_FEATURE
 	select EXPERIMENTAL if BT_LL_SW_SPLIT