ARM: 5945/1: ep93xx: include correct irq.h in core.c

Currently <asm/mach/irq.h> is included by core.c. This header
includes <linux/irq.h> and defines a number of internal functions.
These internal functions are not needed by this file. Change the
include so that we just get what is needed.
Signed-off-by: NH Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: NRyan Mallon <ryan@bluewatersys.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-ep93xx/core.c

@@ -22,6 +22,7 @@
 #include <linux/interrupt.h>
 #include <linux/dma-mapping.h>
 #include <linux/timex.h>
+#include <linux/irq.h>
 #include <linux/io.h>
 #include <linux/gpio.h>
 #include <linux/leds.h>
@@ -37,7 +38,6 @@
 
 #include <asm/mach/map.h>
 #include <asm/mach/time.h>
-#include <asm/mach/irq.h>
 
 #include <asm/hardware/vic.h>