xtensa: wire up sched_setattr and sched_getattr syscalls
xtensa: wire up sched_setattr and sched_getattr syscalls

Signed-off-by: Max Filippov <8c5ea195856807f4f02a6e0749c87ea6b7375f38@gmail.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs