Revert "usb: add HAS_IOMEM dependency to USB_APPLEDISPLAY"

This reverts commit 4b61b4f205eabfc9f863f805858aa5b32deb3de5.

As reported by Oliver, this change was unnecessary.

Reported-by: Oliver Neukum <oneukum@suse.com>
Cc: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/misc/Kconfig b/drivers/usb/misc/Kconfig
index ea10059..f7a7fc2 100644
--- a/drivers/usb/misc/Kconfig
+++ b/drivers/usb/misc/Kconfig
@@ -150,7 +150,6 @@
 
 config USB_APPLEDISPLAY
 	tristate "Apple Cinema Display support"
-	depends on HAS_IOMEM
 	select BACKLIGHT_LCD_SUPPORT
 	select BACKLIGHT_CLASS_DEVICE
 	help