Improve SyncReadMem.read, .readWrite (#3221) (#3233)

* Mark generated wires for read and readWrite as temporary
* Remove semicolons
* Remove intermediate wire for read/readWrite port address
* Convert usages of UnlocatableSourceInfo into macro applications

(cherry picked from commit e078c0f2

)

Co-authored-by: Jared Barocsi <82000041+jared-barocsi@users.noreply.github.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>