Steps to update LAN NVM:
	
	- If Update from FW v3.29 (DPINT10_UEFI ETrackID 80000827, 80000829),
		1. Execute FWUpdate.nsh. 
		2. Reboot.
		3. Execute FWUpdate.nsh.
		4. Reboot.
   
	- If update from FW newer than v3.29
		1. Execute FWUpdate.nsh.
		2. Reboot.