[gui]Kconfig增加选项,支持UTF8编码的中文字体

components/gui/Kconfig

@@ -14,6 +14,12 @@ config RTGUI_USING_TTF
     bool "Support TrueType font"
     default n
 
+if RTGUI_USING_TTF
+    config UTF8_TO_UNICODE
+        bool "Support UTF8 to UNICODE"
+        default n
+endif
+    
 config RTGUI_USING_FONT16
     bool "Support 16 height font"
     default y