Disintegrate asm/system.h for Sparc

Disintegrate asm/system.h for Sparc.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: sparclinux@vger.kernel.org

arch/sparc/kernel/traps_64.c

@@ -22,7 +22,6 @@
 
 #include <asm/smp.h>
 #include <asm/delay.h>
-#include <asm/system.h>
 #include <asm/ptrace.h>
 #include <asm/oplib.h>
 #include <asm/page.h>
@@ -41,6 +40,7 @@
 #include <asm/head.h>
 #include <asm/prom.h>
 #include <asm/memctrl.h>
+#include <asm/cacheflush.h>
 
 #include "entry.h"
 #include "kstack.h"