lv_conf.h: optional LV_USE_TINY_TTF

Allow setting LV_USE_TINY_TTF from outside, so it could be disabled per platform

Author: amirgon

lv_conf.h

@@ -645,10 +645,12 @@
 #endif
 
 /* Built-in TTF decoder */
-#define LV_USE_TINY_TTF 1
-#if LV_USE_TINY_TTF
-    /* Enable loading TTF data from files */
-    #define LV_TINY_TTF_FILE_SUPPORT 1
+#ifndef LV_USE_TINY_TTF
+    #define LV_USE_TINY_TTF 1
+    #if LV_USE_TINY_TTF
+        /* Enable loading TTF data from files */
+        #define LV_TINY_TTF_FILE_SUPPORT 1
+    #endif
 #endif
 
 /*Rlottie library*/