eth: fbnic: Prepend TSENE FW fields with FBNIC_FW

All other firmware fields are prepended with FBNIC_FW. Update TSENE fields
to follow the same format.

Signed-off-by: Lee Trager <lee@trager.us>
Link: https://patch.msgid.link/20250228191935.3953712-2-lee@trager.us


Signed-off-by: Jakub Kicinski <kuba@kernel.org>