OMAP2, 3: DSS2: board files: replace platform_device_register with omap_display_init()

This patch updated board files to replace platform_device_register or
platform_add_devices of DSS with omap_display_init(). This moves away
registration of DSS from board files into a common place.

Reviewed-by: Kevin Hilman <khilman@ti.com>
Tested-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Senthilvadivu Guruswamy <svadivu@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/arch/arm/mach-omap2/board-rx51-video.c b/arch/arm/mach-omap2/board-rx51-video.c
index acd6700..89a66db 100644
--- a/arch/arm/mach-omap2/board-rx51-video.c
+++ b/arch/arm/mach-omap2/board-rx51-video.c
@@ -66,18 +66,6 @@
 	.default_device	= &rx51_lcd_device,
 };
 
-struct platform_device rx51_display_device = {
-	.name	= "omapdss",
-	.id	= -1,
-	.dev	= {
-		.platform_data = &rx51_dss_board_info,
-	},
-};
-
-static struct platform_device *rx51_video_devices[] __initdata = {
-	&rx51_display_device,
-};
-
 static int __init rx51_video_init(void)
 {
 	if (!machine_is_nokia_rx51())
@@ -95,8 +83,7 @@
 
 	gpio_direction_output(RX51_LCD_RESET_GPIO, 1);
 
-	platform_add_devices(rx51_video_devices,
-				ARRAY_SIZE(rx51_video_devices));
+	omap_display_init(&rx51_dss_board_info);
 	return 0;
 }