[ARM] 1/4: Move include of asm/hardware.h to asm-arm/arch-*/io.h

Including asm/hardware.h into asm/io.h can cause #define clashes
between platform specific definitions and driver local definitions.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/include/asm-arm/arch-ixp2000/io.h b/include/asm-arm/arch-ixp2000/io.h
index 3241cd6..7fbcdf9 100644
--- a/include/asm-arm/arch-ixp2000/io.h
+++ b/include/asm-arm/arch-ixp2000/io.h
@@ -15,6 +15,8 @@
 #ifndef __ASM_ARM_ARCH_IO_H
 #define __ASM_ARM_ARCH_IO_H
 
+#include <asm/hardware.h>
+
 #define IO_SPACE_LIMIT		0xffffffff
 #define __mem_pci(a)		(a)