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
diff --git a/arch/sparc/math-emu/math_64.c b/arch/sparc/math-emu/math_64.c
index e575bd2..2bbe2f2 100644
--- a/arch/sparc/math-emu/math_64.c
+++ b/arch/sparc/math-emu/math_64.c
@@ -16,6 +16,7 @@
 #include <asm/fpumacro.h>
 #include <asm/ptrace.h>
 #include <asm/uaccess.h>
+#include <asm/cacheflush.h>
 
 #include "sfp-util_64.h"
 #include <math-emu/soft-fp.h>