i40e/i40evf: add macros for virtual channel API version and device capability

i40e/i40evf: add macros for virtual channel API version and device capability

Orabug: 21764569

Now that we've rolled the virtual channel API version to 1.1, add some
macros to test what version is being used by our partner in crime. For the
VF, add some macros to determine what our device capabilities are.

Change-ID: I79f6683d4c23bd76a8ad9fd492776fcc1208e1dc
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Jim Young <james.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
(cherry picked from commit 17a65a7f8030c467193a6b774b6bbbbfc9d01f5c)
Signed-off-by: Brian Maly <brian.maly@oracle.com>