fb_accel: add accelerated framebuffer for Nevis GXA chips

Signed-off-by: M. Liebmann <git@tuxcode.de>


Origin commit data
------------------
Commit: 0e63e5df3d
Author: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: 2017-02-05 (Sun, 05 Feb 2017)

src/driver/fb_generic.cpp

@@ -122,6 +122,9 @@ CFrameBuffer* CFrameBuffer::getInstance()
 	if (!frameBuffer) {
 #if HAVE_SPARK_HARDWARE
 		frameBuffer = new CFbAccelSTi();
+#endif
+#if HAVE_COOL_HARDWARE
+		frameBuffer = new CFbAccelCSNevis();
 #endif
 		if (!frameBuffer)
 			frameBuffer = new CFrameBuffer();