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/checksum_32.h b/libc/kernel/arch-sh/asm/checksum_32.h
new file mode 100644
index 0000000..7a84e19
--- /dev/null
+++ b/libc/kernel/arch-sh/asm/checksum_32.h
@@ -0,0 +1,22 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   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.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef __ASM_SH_CHECKSUM_H
+#define __ASM_SH_CHECKSUM_H
+
+#include <linux/in6.h>
+
+#ifdef __LITTLE_ENDIAN__
+#else
+#endif
+#define _HAVE_ARCH_IPV6_CSUM
+#define HAVE_CSUM_COPY_USER
+#endif