mv88e6xxx fixes for 1588 with trunked ports#260

bstreiff wants to merge 2 commits intoni:nilrt/master/6.6ni/linux:nilrt/master/6.6from

bstreiff:dev/bstreiff/6.6/mv88e6xxx-1588-fixesbstreiff/linux-ni:dev/bstreiff/6.6/mv88e6xxx-1588-fixesCopy head branch name to clipboard