I would recommend hiring a lawyer. Back in 2016 DHS Expanded Eligibility for Provisional Waiver for spouse of LPR as well. So I would recommend contacting immigration lawyer to see if it applies.
Here are few reference materials that you can use.

https://www.uscis.gov/sites/default/files/USCIS/Laws/FedReg/Draft_I-601A_Unlawful_Presence_Expansion_NPRM_Clean_071415.pdf

https://cliniclegal.org/resources/dhs-expands-eligibility-provisional-waiver