[nrf noup] dts: Add Bluetooth Controller to nRF54H20

The nRF54H20 supports a Bluetooth controller.
The HCI driver interface has changed upstream in
zephyrproject-rtos/zephyr#72323
so now we need to add it to device tree.

Signed-off-by: Rubin Gerritsen <[email protected]>
(cherry picked from commit e9a13c3)
(cherry picked from commit 6f17dc3)

Author: rugeGerritsen

dts/arm/nordic/nrf54h20_cpurad.dtsi

@@ -24,6 +24,10 @@ wdt011: &cpurad_wdt011 {};
 /delete-node/ &s2ram;
 
 / {
+	chosen {
+		zephyr,bt-hci = &bt_hci_controller;
+	};
+
 	soc {
 		compatible = "simple-bus";
 		interrupt-parent = <&cpurad_nvic>;
@@ -136,3 +140,7 @@ wdt011: &cpurad_wdt011 {};
 &gdpwr_slow_main {
 	status = "okay";
 };
+
+&bt_hci_controller {
+	status = "okay";
+};

dts/vendor/nordic/nrf54h20.dtsi

@@ -487,6 +487,14 @@
 					compatible = "nordic,nrf-ieee802154";
 					status = "disabled";
 				};
+
+				/* Note: In the nRF Connect SDK the SoftDevice Controller
+				 * is added and set as the default Bluetooth Controller.
+				 */
+				bt_hci_controller: bt_hci_controller {
+					compatible = "zephyr,bt-hci-ll-sw-split";
+					status = "disabled";
+				};
 			};
 
 			ccm030: ccm@3a000 {