Add missing syscall entries for sched_[gs]etattr and renameat2

* linux/alpha/syscallent.h (sched_setattr, sched_getattr, renameat2):
New syscall entries.
* linux/arc/syscallent.h: Likewise.
* linux/metag/syscallent.h: Likewise.
* linux/or1k/syscallent.h: Likewise.
* linux/tile/syscallent.h: Likewise.
* linux/tile/syscallent1.h: Likewise.
6 files changed