added headers for SuperH which automatically generate by update_all.py

base on kernel 2.6.27 arch/sh/include/asm/
diff --git a/libc/kernel/arch-sh/asm/io_generic.h b/libc/kernel/arch-sh/asm/io_generic.h
new file mode 100644
index 0000000..f122342
--- /dev/null
+++ b/libc/kernel/arch-sh/asm/io_generic.h
@@ -0,0 +1,19 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#define IO_CONCAT(a,b) _IO_CONCAT(a,b)
+#define _IO_CONCAT(a,b) a ## _ ## b
+
+#ifndef __IO_PREFIX
+#error "Don't include this header without a valid system prefix"
+#endif
+
+#undef __IO_PREFIX