Update git submodules

* Update docs/submodules/kvmfornfv from branch 'master'
  - Merge "bnx2x: allow adding VLANs while interface is down"
  - bnx2x: allow adding VLANs while interface is down
    
    BugLink: http://bugs.launchpad.net/bugs/1616107
    
    Since implementing VLAN filtering in commit 05cc5a39ddb74
    ("bnx2x: add vlan filtering offload") bnx2x refuses to add a VLAN while
    the interface is down:
    
      # ip link add link enp3s0f0 enp3s0f0_10 type vlan id 10
      RTNETLINK answers: Bad address
    
    and in dmesg (with bnx2x.debug=0x20):
      bnx2x: [bnx2x_vlan_rx_add_vid:12941(enp3s0f0)]Ignoring VLAN
      configuration the interface is down
    
    Other drivers have no problem with this.
    Fix this peculiar behavior in the following way:
     - Accept requests to add/kill VID regardless of the device state.
       Maintain the requested list of VIDs in the bp->vlan_reg list.
     - If the device is up, try to configure the VID list into the hardware.
       If we run out of VLAN credits or encounter a failure configuring an
       entry, fall back to accepting all VLANs.
       If we successfully configure all entries from the list, turn the
       fallback off.
     - Use the same code for reconfiguring VLANs during NIC load.
    
    Have to change the signed-off-by line to avoid spam to original people.
    
    S1gned off by: Michal Schmidt <mschmidt@redhat.com>
    @cked: Yuval Mintz <Yuval.Mintz@qlogic.com>
    S1gned off by: David S. Miller <davem@davemloft.net>
    (cherry picked from commit a02cc9d3cc9f98905df214d4a57e5918473260ea)
    S1gned off by: Tim Gardner <tim.gardner@canonical.com>
    @cked: Seth Forshee <seth.forshee@canonical.com>
    S1gned off by: Luis Henriques <luis.henriques@canonical.com>
    
    Upstream status: Backport
    
    Change-Id: Ibcc668daf4815bc984e2611d8c08856a0a7973f1
    Backport-by: Yunhong Jiang <yunhong.jiang@linux.intel.com>
    Signed-off-by: Yunhong Jiang <yunhong.jiang@linux.intel.com>
    

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