feat(docs): append recommended configuration of M5DIAL

Author: MacChu0315-Espressif

src/board/README.md

@@ -47,6 +47,7 @@ Below are recommended configurations for developing GUI applications on differen
 | ESP32-S3-LCD-EV-Board-2 | ESP32S3 Dev Module |   OPI    | QIO 80MHz  |    16MB    | **See Note 1**  |     16M Flash (3MB)     |
 |    ESP32-S3-USB-OTG     |  ESP32-S3-USB-OTG  |    -     |     -      |     -      |        -        |     8M with spiffs      |
 |     M5STACK-M5CORE2     |    M5Stack-Core2   | Enabled  |     -      |     -      |        -        |         Default         |
+|     M5STACK-M5DIAL      | ESP32S3 Dev Module |   OPI    | QIO 80MHz  |    8MB     |    Disabled     |         Default         |
 |  ESP32-4848S040C_I_Y_3  | ESP32S3 Dev Module |   OPI    | QIO 80MHz  |    16MB    |    Disabled     |     16M Flash (3MB)     |
 
 **Notes:**