futility: updater: Enable keyset in signer_config based manifest

For custom label devices, the 'keyset' folder must be available
(has_keyset) and that check was done only in setvar based manifest
builder (e.g. 'manifest_scan_entries').

To support custom label devices correctly, we have to also check keyset/
folder in the manifest_from_signer_config.

BUG=b:251040363
TEST=make; FEATURES=test emerge vboot_reference chromeos-firmware-$BOARD
BRANCH=None

Change-Id: I642d3380986890a092b6771f8c7128bfc39811e4
Signed-off-by: Hung-Te Lin <[email protected]>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/4776002
Commit-Queue: Yu-Ping Wu <[email protected]>
Reviewed-by: Yu-Ping Wu <[email protected]>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/5824036
1 file changed