drm/exynos: clean up register definions for fimd and decon

This patch removes suffixes from I80 relevant register definitions,
which are misleading.

This is based on top of below patch set,
     http://www.spinics.net/lists/dri-devel/msg104057.html

Signed-off-by: Inki Dae <inki.dae@samsung.com>
diff --git a/include/video/exynos5433_decon.h b/include/video/exynos5433_decon.h
index c1c1ca1..0098a52 100644
--- a/include/video/exynos5433_decon.h
+++ b/include/video/exynos5433_decon.h
@@ -179,9 +179,9 @@
 #define TRIGCON_TRIGMODE_W1BUF		(1 << 10)
 #define TRIGCON_SWTRIGCMD_W0BUF		(1 << 6)
 #define TRIGCON_TRIGMODE_W0BUF		(1 << 5)
-#define TRIGCON_HWTRIGMASK_I80_RGB	(1 << 4)
-#define TRIGCON_HWTRIGEN_I80_RGB	(1 << 3)
-#define TRIGCON_HWTRIG_INV_I80_RGB	(1 << 2)
+#define TRIGCON_HWTRIGMASK		(1 << 4)
+#define TRIGCON_HWTRIGEN		(1 << 3)
+#define TRIGCON_HWTRIG_INV		(1 << 2)
 #define TRIGCON_SWTRIGCMD		(1 << 1)
 #define TRIGCON_SWTRIGEN		(1 << 0)