OMAPDSS: Remove passive matrix LCD support (part 2)

Remove OMAP_DSS_LCD_TFT as a omap_panel_config flag.

We don't support passive matrix displays any more. Remove this flag from all the
panel drivers.

Force the display_type to OMAP_DSS_LCD_DISPLAY_TFT in the interface drivers.

Signed-off-by: Archit Taneja <archit@ti.com>

drivers/video/omap2/displays/panel-taal.c

@@ -882,7 +882,6 @@ static int taal_probe(struct omap_dss_device *dssdev)
 		goto err;
 	}
 
-	dssdev->panel.config = OMAP_DSS_LCD_TFT;
 	dssdev->panel.timings = panel_config->timings;
 	dssdev->panel.dsi_pix_fmt = OMAP_DSS_DSI_FMT_RGB888;