arm/imx: remove MTD_XIP support

This is broken since at least one year when

	ec996ba9 (mxc timer: make compile time independent)

removed the symbol MXC_TCN.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

arch/arm/Kconfig

@@ -308,7 +308,6 @@ config ARCH_MXC
 	bool "Freescale MXC/iMX-based"
 	select GENERIC_TIME
 	select GENERIC_CLOCKEVENTS
-	select ARCH_MTD_XIP
 	select ARCH_REQUIRE_GPIOLIB
 	select HAVE_CLK
 	select COMMON_CLKDEV

arch/arm/plat-mxc/include/mach/mtd-xip.h

-/*
- * MTD primitives for XIP support. Architecture specific functions
- *
- * Do not include this file directly. It's included from linux/mtd/xip.h
- *
- * Copyright (C) 2008 Darius Augulis <augulis.darius@gmail.com>, Teltonika, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- */
-
-#include <mach/mxc_timer.h>
-
-#ifndef __ARCH_IMX_MTD_XIP_H__
-#define __ARCH_IMX_MTD_XIP_H__
-
-#ifdef CONFIG_ARCH_MX1
-/* AITC registers */
-#define AITC_BASE	IO_ADDRESS(AVIC_BASE_ADDR)
-#define NIPNDH		(AITC_BASE + 0x58)
-#define NIPNDL		(AITC_BASE + 0x5C)
-#define INTENABLEH	(AITC_BASE + 0x10)
-#define INTENABLEL	(AITC_BASE + 0x14)
-/* MTD macros */
-#define xip_irqpending() ((__raw_readl(INTENABLEH) &  __raw_readl(NIPNDH)) \
-			|| (__raw_readl(INTENABLEL) &  __raw_readl(NIPNDL)))
-#define xip_currtime()		(__raw_readl(TIMER_BASE + MXC_TCN))
-#define xip_elapsed_since(x)	(signed)((__raw_readl(TIMER_BASE + MXC_TCN) - (x)) / 96)
-#define xip_cpu_idle()		asm volatile ("mcr p15, 0, %0, c7, c0, 4" :: "r" (0))
-#endif /* CONFIG_ARCH_MX1 */
-
-#endif /* __ARCH_IMX_MTD_XIP_H__ */