added xiao dongle support

boards/shields/corne/Kconfig.defconfig

@@ -1,3 +1,4 @@
+## -----------------------------------------------------------------
 if SHIELD_CORNE_LEFT || SHIELD_CORNE_DONGLE
 
 config ZMK_KEYBOARD_NAME
@@ -6,11 +7,35 @@ config ZMK_KEYBOARD_NAME
 config ZMK_SPLIT_ROLE_CENTRAL
     default y
 
-config ZMK_USB
+config ZMK_SPLIT_BLE_CENTRAL_PERIPHERALS
+    default 2
+
+config BT_MAX_CONN
+    default 2
+
+config BT_MAX_PAIRED
+    default 2
+
+config ZMK_STUDIO
     default y
 
-endif
+config ZMK_STUDIO_LOCKING
+    default n  
 
+config ZMK_SLEEP
+    default n
+
+endif ## SHIELD_CORNE_DONGLE
+
+## -----------------------------------------------------------------
+if SHIELD_CORNE_LEFT || SHIELD_CORNE_RIGHT 
+
+config ZMK_SPLIT_ROLE_CENTRAL
+    default n
+
+endif ## SHIELD_CORNE_LEFT || SHIELD_CORNE_RIGHT
+
+## -----------------------------------------------------------------
 if SHIELD_CORNE_LEFT || SHIELD_CORNE_RIGHT || SHIELD_CORNE_DONGLE || SHIELD_CORNE_PERIPHERAL_LEFT
 
 config ZMK_SPLIT
@@ -25,6 +50,8 @@ config SSD1306
     default y
 
 endif # ZMK_DISPLAY
+    
+## ------------------
 
 if LVGL
 
@@ -44,3 +71,5 @@ endchoice
 endif # LVGL
 
 endif
+
+