Modifies number of hugepages for compute nodes

2048 is the acceptable value where default Virtual deployments will
still work.  A user can then modify deploy_settings in order to increase
number of huge pages to something other than the default.

JIRA: APEX-184

Change-Id: I7962c8e1ae09df60c51375b4ed343b44bce52b59
Signed-off-by: Tim Rozet <trozet@redhat.com>

config/deploy/os-nosdn-fdio-noha.yaml

@@ -20,6 +20,6 @@ deploy_options:
         libvirtpin: 1
       kernel:
         hugepagesz: 2M
-        hugepages: 4096
+        hugepages: 2048
         intel_iommu: 'on'
         iommu: pt

config/deploy/os-nosdn-ovs-ha.yaml

@@ -19,6 +19,6 @@ deploy_options:
         libvirtpin: 1
       kernel:
         hugepagesz: 2M
-        hugepages: 1024
+        hugepages: 2048
         intel_iommu: 'on'
         iommu: pt

config/deploy/os-nosdn-ovs-noha.yaml

@@ -19,6 +19,6 @@ deploy_options:
         libvirtpin: 1
       kernel:
         hugepagesz: 2M
-        hugepages: 1024
+        hugepages: 2048
         intel_iommu: 'on'
         iommu: pt

config/deploy/os-odl_l2-fdio-ha.yaml

@@ -21,6 +21,6 @@ deploy_options:
         libvirtpin: 1
       kernel:
         hugepagesz: 2M
-        hugepages: 4096
+        hugepages: 2048
         intel_iommu: 'on'
         iommu: pt

config/deploy/os-odl_l2-fdio-noha.yaml

@@ -23,6 +23,6 @@ deploy_options:
         libvirtpin: 1
       kernel:
         hugepagesz: 2M
-        hugepages: 4096
+        hugepages: 2048
         intel_iommu: 'on'
         iommu: pt