Added some dependency libraries

Author: Richard3366

library.json

@@ -10,7 +10,7 @@
         "name": "Heltec Automation(TM)",
         "email": "support@heltec.cn"
    },
-  "version": "2.1.3",
+  "version": "2.1.4",
   "frameworks": "arduino",
   "platforms": "espressif32"
 }

library.properties

@@ -1,5 +1,5 @@
 name=Heltec ESP32 Dev-Boards
-version=2.1.3
+version=2.1.4
 author= Heltec Automation
 maintainer=HelTec <support@heltec.cn>
 sentence=Library for Heltec ESP32 (or ESP32+LoRa) based boards
@@ -10,4 +10,4 @@ architectures=esp32
 includes=heltec.h
 precompiled=true
 ldflags=-llorawan
-depends=Adafruit GFX Library
+depends=Adafruit GFX Library, Adafruit BusIO