doc: notify bypass API change
doc: notify bypass API change

Added API change description - moved bypass functions
from the rte_ethdev library to ixgbe PMD

Fixes: e261265e42a1 ("ethdev: move bypass functions to ixgbe PMD")

Signed-off-by: Radu Nicolau <fa459cf59d47c122ba776e9a6f631c862bf44680@intel.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk