ARM: 6167/1: ep93xx: register backlight driver

Add the platform registration for the ep93xx backlight driver that
is now merged.

Since the pwm BRIGHT signal only functions if the video system is
operating, register the backlight when the framebuffer device is
registered.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Ryan Mallon <ryan@bluewatersys.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-ep93xx/core.c

@@ -620,6 +620,11 @@ static struct platform_device ep93xx_fb_device = {
 	.resource		= ep93xx_fb_resource,
 };
 
+static struct platform_device ep93xx_bl_device = {
+	.name		= "ep93xx-bl",
+	.id		= -1,
+};
+
 /**
  * ep93xx_register_fb - Register the framebuffer platform device.
  * @data:	platform specific framebuffer configuration (__initdata)
@@ -628,6 +633,7 @@ void __init ep93xx_register_fb(struct ep93xxfb_mach_info *data)
 {
 	ep93xxfb_data = *data;
 	platform_device_register(&ep93xx_fb_device);
+	platform_device_register(&ep93xx_bl_device);
 }