[ARM] asm/system.h does not require asm/memory.h

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/include/asm/system.h

@@ -3,8 +3,6 @@
 
 #ifdef __KERNEL__
 
-#include <asm/memory.h>
-
 #define CPU_ARCH_UNKNOWN	0
 #define CPU_ARCH_ARMv3		1
 #define CPU_ARCH_ARMv4		2