add curried MuxLookup.apply, deprecate old apply (backport #3095) (#3104)

* add curried MuxLookup.apply, deprecate old apply (#3095)

* overload MuxLookup.apply for EnumType
* remove MuxLookup.fromEnum
* add source locators to MuxLookup.apply using macros

(cherry picked from commit dcecabb6

)

* remove deprecated annotation, remove macro

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Co-authored-by: Albert Chen <40366337+albertchen-sifive@users.noreply.github.com>
Co-authored-by: Albert Chen <albert.chen@sifive.com>