Add the sphinx docs build options

Change-Id: If7ac5b41ca4ac602a100b616b37d07f658fd6a90
Signed-off-by: jdenisco <jdenisco@cisco.com>

docs/scripts/sphinx-make.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+if [ "$1" == "venv" ]
+then
+    python -m pip install --user virtualenv
+    python -m virtualenv $VENV_DIR
+    source $VENV_DIR/bin/activate;
+    pip install -r $DOCS_DIR/etc/requirements.txt
+else
+    source $VENV_DIR/bin/activate;
+    make -C $DOCS_DIR $1
+fi
+
+deactivate