boards: st: nucleo_u385rg_q: USB device support

Enable USB for the Nucleo U385RG-Q. Samples in samples/subsys/usb compile
and operate as expected.

Signed-off-by: Will McGloughlin <[email protected]>

Author: wymcg

boards/st/nucleo_u385rg_q/nucleo_u385rg_q.dts

@@ -106,6 +106,10 @@
 	status = "okay";
 };
 
+&clk_hsi48 {
+	status = "okay";
+};
+
 &clk_lse {
 	status = "okay";
 };
@@ -183,3 +187,7 @@
 &wwdg {
 	status = "okay";
 };
+
+zephyr_udc0: &usb {
+	status = "okay";
+};

boards/st/nucleo_u385rg_q/nucleo_u385rg_q.yaml

@@ -16,6 +16,9 @@ supported:
   - spi
   - uart
   - usart
+  - usb
+  - usb_device
+  - usbd
   - watchdog
 ram: 256
 flash: 1024