Initial drop of uapi aarch64 and common headers.

Retrieved from linux-3.11.4

Change-Id: I5a0c11490ab672f775d14642b26f5f4ba43c5143

Conflicts:
	original/uapi/linux/kexec.h
diff --git a/original/uapi/linux/unistd.h b/original/uapi/linux/unistd.h
new file mode 100644
index 0000000..aa8d5b5
--- /dev/null
+++ b/original/uapi/linux/unistd.h
@@ -0,0 +1,9 @@
+#ifndef _LINUX_UNISTD_H_
+#define _LINUX_UNISTD_H_
+
+/*
+ * Include machine specific syscall numbers
+ */
+#include <asm/unistd.h>
+
+#endif /* _LINUX_UNISTD_H_ */