Merge branch 'fixes' into for-next

* fixes:
  s390/boot/vmlinux.lds.S: Ensure bzImage ends with SecureBoot trailer
  s390/ap: Fix wrong APQN fill calculation
  selftests: vDSO: getrandom: Fix path to s390 chacha implementation
  s390/vdso: Disable kstack erase

Signed-off-by: Heiko Carstens <hca@linux.ibm.com>