enhance pack_firmware_image

* including fmap header in fmap areas
* initializing blobs by string value

BUG=chromium-os:15633
TEST=emerge-tegra2_{seaboard,kaen} chromeos-bios

Change-Id: Ib87a3f60fb11804888c4bc023d595629e017f589
Reviewed-on: http://gerrit.chromium.org/gerrit/1427
Reviewed-by: Tom Wai-Hong Tam <[email protected]>
Tested-by: Che-Liang Chiou <[email protected]>
1 file changed