Make BGE_JUMBO_FRAMELEN big enough to include vlan tag.  Fixes problems with receiving jumbo frames on bge(4).
Make BGE_JUMBO_FRAMELEN big enough to include vlan tag.  Fixes problems with
receiving jumbo frames on bge(4).

ok krw@

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars