docs: record the reported AX902 MCU1 success on Debian 13

Link issue #110 and keep the report scoped to the tested device, matched legacy driver/firmware, standard btusb and reported reboot/reconnection checks.

(cherry picked from commit 5327c777d0)

README.md

@@ -30,6 +30,13 @@ Added support for devices with Vendor ID 368B (tested).
 
 Tested on Linux kernel 6.16 with Ubuntu 25.04 and 6.1.0.27 with Debian 12.
 
+In [issue #110](https://github.com/shenmintao/aic8800d80/issues/110), a user
+reports Wi-Fi and Bluetooth audio working on one generic AX902 adapter
+(`chip_id=7, chip_mcu_id=1`) with Debian 13 and kernel
+`6.12.111+deb13-amd64`, including after reboot and USB reconnection. That
+configuration uses the matched `legacy-mcu1` driver and firmware with the
+kernel's standard `btusb`; it is not a guarantee for other hardware revisions.
+
 The same driver supports Wi-Fi-only adapters and Wi-Fi/Bluetooth combo
 adapters. On combo devices, `aic_load_fw` uploads the AIC firmware and the
 standard Linux `btusb` driver handles the Bluetooth HCI interface. The obsolete