Prepping to allow textures to have different render modes/types. Prepping for freetype support

src/dawn/display/font/ExampleFont.cpp

@@ -99,6 +99,6 @@ void ExampleFont::init() {
     pixels[j++] = this->getColor(n & 0x01);
   }
 
-  this->realTexture.setSize(128, 64);
+  this->realTexture.setSize(128, 64, TEXTURE_FORMAT_RGBA);
   this->realTexture.buffer(pixels);
 }