x86: change IO delay back to 0x80

change back the IO delay to 0x80.

Alan says that 0xed is known to break some older boxes, and given that
the get-rid-of-outb-APIs efforts are well underway we should just let
them be finished.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

arch/x86/Kconfig.debug

@@ -156,7 +156,7 @@ config IO_DELAY_TYPE_NONE
 
 choice
 	prompt "IO delay type"
-	default IO_DELAY_0XED
+	default IO_DELAY_0X80
 
 config IO_DELAY_0X80
 	bool "port 0x80 based port-IO delay [recommended]"