tridentfb: add TGUI 9440 support

Add support for TGUI 9440 chip.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/video/trident.h b/include/video/trident.h
index fa690b9f..76d81b2 100644
--- a/include/video/trident.h
+++ b/include/video/trident.h
@@ -24,6 +24,7 @@
 #define CYBER9397DVD	0x939A
 #define CYBER9520	0x9520
 #define CYBER9525DVD	0x9525
+#define TGUI9440	0x9440
 #define TGUI9660	0x9660
 #define PROVIDIA9685	0x9685
 #define IMAGE975	0x9750