Update git submodules

* Update docs/submodules/kvmfornfv from branch 'master'
  - Change the kernel config for scenario test

    Disable the intel_iommu by default since the CICD platform has something
    wrong on the VT-d support

    Enable the X2APIC support, otherwwise there will be only one CPU
    available.

    Change-Id: I69206363fa61c751ad982be74db84b020a1c3748
    Signed-off-by: Yunhong Jiang <yunhong.jiang@linux.intel.com>

diff --git a/docs/submodules/kvmfornfv b/docs/submodules/kvmfornfv
index 67fb1a8..b6b08d2 160000 (submodule)
--- a/docs/submodules/kvmfornfv
+++ b/docs/submodules/kvmfornfv
@@ -1 +1 @@
-Subproject commit 67fb1a84b13f68652e44aab5f7e70259044e6e9f
+Subproject commit b6b08d2a80b2df28e496ce87705593ed59b282a3