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-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c
index c235fa2..54e6318 100644
--- a/arch/arm/mach-omap2/board-igep0020.c
+++ b/arch/arm/mach-omap2/board-igep0020.c
@@ -485,14 +485,6 @@
 	.default_device	= &igep2_dvi_device,
 };
 
-static struct platform_device igep2_dss_device = {
-	.name	= "omapdss",
-	.id	= -1,
-	.dev	= {
-		.platform_data = &igep2_dss_data,
-	},
-};
-
 static struct regulator_consumer_supply igep2_vpll2_supply =
 	REGULATOR_SUPPLY("vdds_dsi", "omapdss");
 
@@ -519,7 +511,6 @@
 }
 
 static struct platform_device *igep2_devices[] __initdata = {
-	&igep2_dss_device,
 	&igep2_vwlan_device,
 };
 
@@ -694,6 +685,7 @@
 	/* Register I2C busses and drivers */
 	igep2_i2c_init();
 	platform_add_devices(igep2_devices, ARRAY_SIZE(igep2_devices));
+	omap_display_init(&igep2_dss_data);
 	omap_serial_init();
 	usb_musb_init(&musb_board_data);
 	usb_ehci_init(&ehci_pdata);