MFC 297636,297800,297801,297805,297807,297808

MFC 297636,297800,297801,297805,297807,297808

297636
    hyperv: Typo in r297634

    Noticed by: hiren
    MFC after:  1 week
    Sponsored by:       Microsoft OSTC

297800
    hyperv/vmbus: Nuke unused function

    MFC after:  1 week
    Sponsored by:       Microsoft OSTC

297801
    hyperv/vmbus: Get rid of max_leaf detection; this is actually not used.

    It will be replaced by a new one.

    MFC after:  1 week
    Sponsored by:       Microsoft OSTC

297805
    hyperv: Break long line

    MFC after:  1 week
    Sponsored by:       Microsoft OSTC

297807
    hyperv: Print more features

    And add comment about the MSR features.

    MFC after:  1 week
    Sponsored by:       Microsoft OSTC

297808
    hyperv: Define macro for Hyper-V interface

    Suggested by:       rpokala
    MFC after:  1 week
    Sponsored by:       Microsoft OSTC

git-svn-id: svn://svn.freebsd.org/base/stable/10@301951 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f