pick mipsbox code from DDT, TangoCash and max10

Origin commit data
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Branch: ni/coolstream
Commit: f3f0bdaddb
Author: vanhofen <vanhofen@gmx.de>
Date: 2019-05-03 (Fri, 03 May 2019)

Origin message was:
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- pick mipsbox code from DDT, TangoCash and max10

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No further description and justification available within origin commit message!

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This commit was generated by Migit

src/driver/fb_accel.h

@@ -227,4 +227,19 @@ class CFbAccelARM
 		void setOsdResolutions();
 };
 
+class CFbAccelMIPS
+	: public CFbAccel
+{
+	private:
+		fb_pixel_t *backbuffer;
+	public:
+		CFbAccelMIPS();
+		~CFbAccelMIPS();
+		fb_pixel_t * getBackBufferPointer() const;
+		int setMode(unsigned int xRes, unsigned int yRes, unsigned int bpp);
+		int scale2Res(int size);
+		bool fullHdAvailable();
+		void setOsdResolutions();
+};
+
 #endif