Initial drop of uapi x86 headers.

Retrieved from linux-3.11.4

For x86, the generated files are:

 generated/
           asm/
               clkdev.h
               syscalls_32.h
           uapi/
                asm/
                    unistd_32.h
                    unistd_64.h
                    unistd_x32.h

Change-Id: I04d5c3e202abb9e850434c93ad3f24c931541623
diff --git a/original/uapi/asm-x86/asm/byteorder.h b/original/uapi/asm-x86/asm/byteorder.h
new file mode 100644
index 0000000..b13a7a8
--- /dev/null
+++ b/original/uapi/asm-x86/asm/byteorder.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_X86_BYTEORDER_H
+#define _ASM_X86_BYTEORDER_H
+
+#include <linux/byteorder/little_endian.h>
+
+#endif /* _ASM_X86_BYTEORDER_H */