OMAPDSS: Remove passive matrix LCD support (part 3)

Remove omap_lcd_display_type enum

The enum omap_lcd_display_type is used to configure the lcd display type in
DISPC. Remove this enum and always set display type to TFT by creating function
dss_mgr_set_lcd_type_tft().

Signed-off-by: Archit Taneja <archit@ti.com>
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index aa3b810..06b5780 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -4380,10 +4380,11 @@
 		dss_mgr_set_timings(dssdev->manager, &dssdev->panel.timings);
 	}
 
-		dispc_mgr_set_lcd_display_type(dssdev->manager->id,
-			OMAP_DSS_LCD_DISPLAY_TFT);
-		dispc_mgr_set_tft_data_lines(dssdev->manager->id,
-			dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt));
+	dispc_mgr_set_lcd_type_tft(dssdev->manager->id);
+
+	dispc_mgr_set_tft_data_lines(dssdev->manager->id,
+		dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt));
+
 	return 0;
 }