main
examples: remove check for old broken pkg-config
ethdev: remove Rx header split port offload
examples: remove unused define
examples/l2fwd-event: fix spinlock handling
examples/l2fwd-event: add eventdev main loop
examples: replace unnecessary comma operators
examples: use eventdev pre-scheduling
doc: use code snippets in sample app guides
examples: move alignment attribute on types for MSVC
examples/l2fwd-event: resolve shadowed variable