add another missing FW for elantra_hev-2021 (#22186)
add another missing FW for elantra_hev-2021 (#22186)

popped up during drive: `715ac05b594e9c59|2021-09-10--05-58-04`
commaai/openpilot,commaai/openpilot,commaai/openpilot,commaai/openpilot,commaai/openpilot,commaai/openpilot