Update CMakeLists.txt

CMakeLists.txt

@@ -6,6 +6,6 @@ cmake_minimum_required(VERSION 3.5)
 
 idf_component_register(SRCS "Adafruit_SSD1306.cpp" 
                        INCLUDE_DIRS "."
-                       REQUIRES arduino Adafruit_GFX_Library)
+                       REQUIRES arduino Adafruit-GFX-Library)
 
 project(Adafruit_SSD1306)