linux-next: Signed-off-by missing for commits in the s390 tree

[Stephen Rothwell]

Hi all,

Commits

  a39892ed47bf ("s390/runtime_instrumentation: re-add signum system call 
parameter")
  279d2cea3aad ("s390/cio: fix kernel-doc usage")

are missing a Signed-off-by from their committer.

-- 
Cheers,
Stephen Rothwell