firmware: Add 64 bit MAC to shell prompt

This demonstrates that the readout of the 64 bit MAC address from the
STM32WL55 microcontroller works and is useful to recognize used devices.

1 files changed, 7 insertions, 0 deletions

diff --git a/firmware/boards/nucleo_wl55jc.overlay b/firmware/boards/nucleo_wl55jc.overlay
new file mode 100644
index 0000000..b04f810
--- /dev/null
+++ b/firmware/boards/nucleo_wl55jc.overlay
@@ -0,0 +1,7 @@
+/ {
+	soc {
+			uid64: uid64@1fff7580 {
+				reg = <0x1fff7580 0x8>;
+			};
+	};
+};