sh: migrate to arch/sh/include/

This follows the sparc changes a439fe51a1.

Most of the moving about was done with Sam's directions at:

http://marc.info/?l=linux-sh&m=121724823706062&w=2

with subsequent hacking and fixups entirely my fault.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/include/asm/current.h

@@ -0,0 +1,20 @@
+#ifndef __ASM_SH_CURRENT_H
+#define __ASM_SH_CURRENT_H
+
+/*
+ * Copyright (C) 1999 Niibe Yutaka
+ *
+ */
+
+#include <linux/thread_info.h>
+
+struct task_struct;
+
+static __inline__ struct task_struct * get_current(void)
+{
+	return current_thread_info()->task;
+}
+
+#define current get_current()
+
+#endif /* __ASM_SH_CURRENT_H */