video: s3c-fb: set missing bitmask of enabled hardware window

This patch set missing bitmask of enabled hardware window which
should be checked whenever the hardware window is enabled.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>

drivers/video/s3c-fb.c

@@ -574,6 +574,7 @@ static int s3c_fb_set_par(struct fb_info *info)
 	}
 
 	data = WINCONx_ENWIN;
+	sfb->enabled |= (1 << win->index);
 
 	/* note, since we have to round up the bits-per-pixel, we end up
 	 * relying on the bitfield information for r/g/b/a to work out