Disintegrate asm/system.h for ARM

Disintegrate asm/system.h for ARM.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Russell King <linux@arm.linux.org.uk>
cc: linux-arm-kernel@lists.infradead.org
diff --git a/arch/arm/mach-pxa/reset.c b/arch/arm/mach-pxa/reset.c
index c8497b0..b452889 100644
--- a/arch/arm/mach-pxa/reset.c
+++ b/arch/arm/mach-pxa/reset.c
@@ -9,6 +9,7 @@
 #include <linux/gpio.h>
 #include <linux/io.h>
 #include <asm/proc-fns.h>
+#include <asm/system_misc.h>
 
 #include <mach/regs-ost.h>
 #include <mach/reset.h>