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-omap3stalker.c b/arch/arm/mach-omap2/board-omap3stalker.c
index 9c63c37..07006c3 100644
--- a/arch/arm/mach-omap2/board-omap3stalker.c
+++ b/arch/arm/mach-omap2/board-omap3stalker.c
@@ -240,14 +240,6 @@
 	.default_device	= &omap3_stalker_dvi_device,
 };
 
-static struct platform_device omap3_stalker_dss_device = {
-	.name	= "omapdss",
-	.id	= -1,
-	.dev	= {
-		.platform_data	= &omap3_stalker_dss_data,
-	},
-};
-
 static struct regulator_consumer_supply omap3stalker_vmmc1_supply = {
 	.supply		= "vmmc",
 };
@@ -604,7 +596,6 @@
 }
 
 static struct platform_device *omap3_stalker_devices[] __initdata = {
-	&omap3_stalker_dss_device,
 	&keys_gpio,
 };
 
@@ -644,6 +635,7 @@
 	platform_add_devices(omap3_stalker_devices,
 			     ARRAY_SIZE(omap3_stalker_devices));
 
+	omap_display_init(&omap3_stalker_dss_data);
 	spi_register_board_info(omap3stalker_spi_board_info,
 				ARRAY_SIZE(omap3stalker_spi_board_info));