Update git submodules

* Update docs/submodules/kvmfornfv from branch 'master'
  - Merge "To update vsperf/packet-forwarding configuration files"
  - To update vsperf/packet-forwarding configuration files

    This patch is used to update the vsperf configuration files for
    enabling thread binding and to select the loopback application
    for tests with VMs.

    Change-Id: Id561475a56e6b262eb90fcab1b07bfeb51df6147
    Signed-off-by: Gundarapu Kalyan Reddy <reddyx.gundarapu@intel.com>

diff --git a/docs/submodules/kvmfornfv b/docs/submodules/kvmfornfv
index a3923b3..2e998fe 160000 (submodule)
--- a/docs/submodules/kvmfornfv
+++ b/docs/submodules/kvmfornfv
@@ -1 +1 @@
-Subproject commit a3923b36b50dbd842ed1151eb5734ba17348b669
+Subproject commit 2e998fe3a99bdc2e9d1109f3d01f0863309e7312