[vs]: Start syncd by passing context configuration file and global co…

…ntext index. (sonic-net#832)

In multi-asic VS switch, there are multiple swss and syncd dockers. Orchagent process in each swss is started with a different hwinfo(asic_id). This PR is to ensure that context configuration is passed in syncd which has the hwinfo information with which each orchagent is started.

syncd/scripts/syncd_init_common.sh

@@ -250,6 +250,9 @@ config_syncd_nephos()
 config_syncd_vs()
 {
     CMD_ARGS+=" -p $HWSKU_DIR/sai.profile"
+    if [ -f $HWSKU_DIR/context_config.json ]; then
+        CMD_ARGS+=" -x $HWSKU_DIR/context_config.json -g 0"
+    fi
 }
 
 config_syncd_innovium()