samples: basic: blinky_pwm: add nucleo_u385rg_q

The blinky_pwm test was not available for the nucleo_u385rg_q board.
Added the board overlay to the blinky_pwm sample.

Signed-off-by: Richard Skriwanek <[email protected]>

Author: Richy42

samples/basic/blinky_pwm/boards/nucleo_u385rg_q.overlay

@@ -0,0 +1,16 @@
+/*
+ * SPDX-FileCopyrightText: Copyright The Zephyr Project Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&pwmleds {
+	status = "okay";
+};
+
+&timers2 {
+	status = "okay";
+};
+
+&pwm2 {
+	status = "okay";
+};