CFbAccelCSHD2: Add scaleFont()function for font upscaling when fullhd is aktiv

Origin commit data
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Commit: 88c834221b
Author: Michael Liebmann <tuxcode.bbg@gmail.com>
Date: 2017-02-13 (Mon, 13 Feb 2017)

src/driver/fb_generic.h

@@ -270,6 +270,7 @@ class CFrameBuffer : public sigc::trackable
 		void blitBox2FB(const fb_pixel_t* boxBuf, uint32_t width, uint32_t height, uint32_t xoff, uint32_t yoff);
 
 		virtual void mark(int x, int y, int dx, int dy);
+		virtual int scaleFont(int size) { return size; };
 
 		enum
 			{