OVS PMON integration is required for process state detection,
alarming and recovery. The ovs-vswitchd processes need to be
monitored.
Add pmon configuration file for ovs-vswitchd
Change rpm spec to package the configuration file
Change-Id: I168563e05de8fb4b149812a61c8679a77eee58b8
Story: #2002947
Task: #22942
Signed-off-by: Chenjie Xu <chenjie.xu@intel.com>