MFC r267839:

Apply vendor fixes for big endian support and 20GBps/25GBps link speeds.

Many thanks to Emulex for their continued support of FreeBSD!

Submitted by: Venkata Duvvuru <VenkatKumar.Duvvuru Emulex.Com>
MFC r267378:

Fix path for zlib examples, this have no runtime effect and was
overlooked when I was doing zlib update.