RenameEnumVariants should allow specifying the value of the variant to rename.

[i509VCB]

The i.MXRT1011 SVDs unfortunately have enums which define two variants with the same name. For example:

This of course results in a compilation error:

[Dirbaio]

makes sense 👍

another possible improvement is making generation tolerate duplicate variant names, for example in this case autorenaming the second one as TRISTATED_2