krping: In verbose mode print only first 128 bytes of krping data.

Submitted by:	Hariprasad at Chelsio dot com.
Sponsored by:	Chelsio Communications
fix typo, properly install a link to nv for nvlist_freev...
iwcm_event status needs to be populated for close_complete_upcall

Submitted by:	Hariprasad at Chelsio dot com
Sponsored by:	Chelsio Communications
Use pkg-1.4-style platform identifiers based on MACHINE_ARCH (e.g.
FreeBSD:11:amd64 instead of freebsd:11:x86:64) when bootstrapping pkg.
Thanks to portmgr for providing symlinks so both styles work.

Reviewed by:	bapt
MFC after:	3 weeks