sh: Provide the asm/syscall.h interface, needed by tracehook.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/include/asm/syscall.h b/arch/sh/include/asm/syscall.h
new file mode 100644
index 0000000..6a38142
--- /dev/null
+++ b/arch/sh/include/asm/syscall.h
@@ -0,0 +1,10 @@
+#ifndef __ASM_SH_SYSCALL_H
+#define __ASM_SH_SYSCALL_H
+
+#ifdef CONFIG_SUPERH32
+# include "syscall_32.h"
+#else
+# include "syscall_64.h"
+#endif
+
+#endif /* __ASM_SH_SYSCALL_H */