FreeBSD_HEAD_i386 - Build #2443 - Fixed

FreeBSD_HEAD_i386 - Build #2443 - Fixed:

Build information: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD_i386/2443/
Full change log: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD_i386/2443/changes
Full build log: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD_i386/2443/console

Change summaries:

296090 by wma:
Change format string in pciconf EA to jx

    Fix compilation error introduced by r296081

296089 by sephe:
hyperv/hn: Make transmission path channel aware

Chimney sending buffer still needs conversion, which will be done
along with the upcoming vRSS support.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D5457

296088 by sephe:
hyperv/hn: Remove the useless num_outstanding_sends

We rely on taskqueue draining now.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D5456

296087 by sephe:
hyperv/hn: Associate TX/RX ring with channel

This fixes the TX/RX ring selection for TX/RX done.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D5454

296086 by sephe:
hyperv/hn: Pass channel to TX/RX done

This is preamble to associate the TX/RX rings to their channel.

While I'm here, revoke unused netvsc_recv_rollup.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D5453

296085 by sephe:
hyperv/hn: Pass channel as the channel callback argument

This is the preamble to pass channel back to hn(4) upon TX/RX done.

Reviewed by:	Hongjiang Zhang <honzhan microsoft com>
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D5452

296084 by sephe:
hyperv: Always set device for channels

And unregister hv_device only for primary channels, who own the hv_device.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D5451

296083 by sephe:
hyperv: Remove useless channel inbound_lock

It serves no purpose.

Reviewed by:	Hongjiang Zhang <honzhan microsoft com>
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D5450