Ancient microcode update files do not have a total_size field.
Add support for such platforms and return 2048 in that case.
Change-Id: I952edc12cccf24f396d940bc594d8ef97826a253
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/90910
Reviewed-by: Naresh <naresh.solanki.2011@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sean Rhodes <sean@starlabs.systems>
1e97b44e41