Add support for full BMC FW flash image

Add BMC flash file name list for full flash image.
Save the information for which images are being updated.

Tested: Update '.static.mtd.all.tar' with redfish API (
        UpdateService.SimpleUpdate).
        Verified the code update works well.

Change-Id: Icb47e518db61a8d17998179aed328d0cf56db6f5
Signed-off-by: Bright Cheng <bright_cheng@wiwynn.com>
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>
4 files changed