docs: supported_devices: fix small typo

Just saw a small typo i made in the Xiaomi Mi Wifi Mini PR. This PR Corrects this.

docs: supported_devices: fix small typo
bc570734 · Manu.WTF · Martin Weinelt · 726ac5b8 · bc570734
Commit bc570734 authored 5 years ago by Manu.WTF Committed by Martin Weinelt 5 years ago
--- a/docs/user/supported_devices.rst
+++ b/docs/user/supported_devices.rst
@@ -300,7 +300,7 @@ ramips-mt7620
  - WT3020AD/F/H
-# Xiaomi
+* Xiaomi
  - MiWiFi Mini