[rom/e2e] Fix bitstream entry for bootstrap test
[rom/e2e] Fix bitstream entry for bootstrap test

Signed-off-by: Alexander Williams <d0fb8a15e7b6f5e62278a4cf44515038c232186c@google.com>

lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan