Add BT clear bind.

Should check the positions are correct.

app/boards/shields/sofle/sofle.dtsi

@@ -44,8 +44,6 @@ RC(3,0) RC(3,1) RC(3,2) RC(3,3) RC(3,4) RC(3,5) RC(4,5) RC(4,6) RC(3,6) RC(3,7)
             ;
     };
 
-	// TODO: Check these pins and resolution!
-
     left_encoder: encoder_left {
         compatible = "alps,ec11";
         label = "LEFT_ENCODER";
@@ -68,6 +66,10 @@ RC(3,0) RC(3,1) RC(3,2) RC(3,3) RC(3,4) RC(3,5) RC(4,5) RC(4,6) RC(3,6) RC(3,7)
         compatible = "zmk,keymap-sensors";
         sensors = <&left_encoder &right_encoder>;
     };
+
+    bt_unpair_combo: bt_unpair_combo {
+        compatible = "zmk,bt-unpair-combo";
+    };
 };
 
 &pro_micro_i2c {

app/boards/shields/sofle/sofle_left.conf

@@ -1,2 +1,3 @@
 CONFIG_ZMK_SPLIT=y
 CONFIG_ZMK_SPLIT_BLE_ROLE_CENTRAL=y
+CONFIG_ZMK_BLE_UNPAIR_COMBO=y

app/boards/shields/sofle/sofle_left.overlay

@@ -21,3 +21,6 @@
 	status = "okay";
 };
 
+&bt_unpair_combo {
+	key-positions = <0 52>;
+};

app/boards/shields/sofle/sofle_right.conf

@@ -1,2 +1,3 @@
 CONFIG_ZMK_SPLIT=y
 CONFIG_ZMK_SPLIT_BLE_ROLE_PERIPHERAL=y
+CONFIG_ZMK_BLE_UNPAIR_COMBO=y

app/boards/shields/sofle/sofle_right.overlay

@@ -24,3 +24,7 @@
 &right_encoder {
 	status = "okay";
 };
+
+&bt_unpair_combo {
+	key-positions = <11 55>;
+};