These were only necessary for an out-of-tree driver that has since been fixed to use the proper divide routines.
- [PATCH 0/2] Remove umoddi3 and udivmoddi4 Palmer Dabbelt
- [PATCH 2/2] Revert "lib: Add umoddi3 and udivmodd... Palmer Dabbelt
- [PATCH 1/2] Revert "RISC-V: Select GENERIC_LIB_UM... Palmer Dabbelt
