ARM: EXYNOS: Increase framebuffer virtual size for origen

To support display panning, framebuffer virtual size needs to be increased.

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/mach-exynos/mach-origen.c b/arch/arm/mach-exynos/mach-origen.c
index 878d4c9..4d80212 100644
--- a/arch/arm/mach-exynos/mach-origen.c
+++ b/arch/arm/mach-exynos/mach-origen.c
@@ -596,6 +596,8 @@
 	},
 	.max_bpp		= 32,
 	.default_bpp		= 24,
+	.virtual_x		= 1024,
+	.virtual_y		= 2 * 600,
 };
 
 static struct s3c_fb_platdata origen_lcd_pdata __initdata = {