imx5: not include the unused head file

Remove the useless <asm/irq.h> and <linux/irq.h> reference
Signed-off-by: NJason Liu <jason.hui@linaro.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>

arch/arm/mach-mx5/board-cpuimx51.c

@@ -22,14 +22,12 @@
 #include <linux/delay.h>
 #include <linux/io.h>
 #include <linux/interrupt.h>
-#include <linux/irq.h>
 
 #include <mach/eukrea-baseboards.h>
 #include <mach/common.h>
 #include <mach/hardware.h>
 #include <mach/iomux-mx51.h>
 
-#include <asm/irq.h>
 #include <asm/setup.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>

arch/arm/mach-mx5/board-cpuimx51sd.c

@@ -22,7 +22,6 @@
 #include <linux/delay.h>
 #include <linux/io.h>
 #include <linux/interrupt.h>
-#include <linux/irq.h>
 #include <linux/i2c-gpio.h>
 #include <linux/spi/spi.h>
 #include <linux/can/platform/mcp251x.h>
@@ -32,7 +31,6 @@
 #include <mach/hardware.h>
 #include <mach/iomux-mx51.h>
 
-#include <asm/irq.h>
 #include <asm/setup.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>

arch/arm/mach-mx5/board-mx51_babbage.c

@@ -24,7 +24,6 @@
 #include <mach/hardware.h>
 #include <mach/iomux-mx51.h>
 
-#include <asm/irq.h>
 #include <asm/setup.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>

arch/arm/mach-mx5/board-mx51_efikamx.c

@@ -32,7 +32,6 @@
 #include <mach/hardware.h>
 #include <mach/iomux-mx51.h>
 
-#include <asm/irq.h>
 #include <asm/setup.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>

arch/arm/mach-mx5/board-mx51_efikasb.c

@@ -35,7 +35,6 @@
 #include <mach/hardware.h>
 #include <mach/iomux-mx51.h>
 
-#include <asm/irq.h>
 #include <asm/setup.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>

arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c

@@ -24,7 +24,6 @@
 
 #include <linux/gpio.h>
 #include <linux/interrupt.h>
-#include <linux/irq.h>
 #include <linux/leds.h>
 #include <linux/platform_device.h>
 #include <linux/input.h>

arch/arm/mach-mx5/mx51_efika.c

@@ -34,7 +34,6 @@
 #include <linux/usb/ulpi.h>
 #include <mach/ulpi.h>
 
-#include <asm/irq.h>
 #include <asm/setup.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>