- Initialize jump labels before early command line parsing in order to make
  init_on_alloc and init_on_free options work.

- Fix vfio-ccw build error due to missing include.

- Prevent callchain data collection with hardware sampling, since the
  callchains simply do not exist.

- Prevent multiple registrations of the same zPCI function.

- Update defconfigs.
Merge tag 'vfio-ccw-20200703' of https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/vfio-ccw into fixes

add a missing include

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>