drm: omapdrm: Remove dss_features.h

The header file only contains four macros, two of which are never used.
Move the other two to dss.h and remove dss_features.h.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/gpu/drm/omapdrm/dss/dss.h b/drivers/gpu/drm/omapdrm/dss/dss.h
index a46d8e8a..0854860 100644
--- a/drivers/gpu/drm/omapdrm/dss/dss.h
+++ b/drivers/gpu/drm/omapdrm/dss/dss.h
@@ -27,6 +27,9 @@
 
 #include "omapdss.h"
 
+#define MAX_DSS_LCD_MANAGERS	3
+#define MAX_NUM_DSI		2
+
 #ifdef pr_fmt
 #undef pr_fmt
 #endif