Chisel v3.5.2

Feature

• Add scanLeftOr and scanRightOr utilies (#2407)
• Make TruthTable accept unknown input width (#2387)
• Hierarchy API: make Mems lookupable (#2404)
• Make Tuple2 Lookupable (#2372)
• Issue errors on out-of-range extracts when width is known (#2428)
• Overload getVerilogString to accept arguments (#2401)

BugFix

• Emit FIRRTL bulkconnects whenever possible (#2381)
• Support BlackBoxes in D/I (#2438)

Docs

• Add Verilog-chisel side by side Reference Page to Docs (#2323)
• [docs] Add Cookbook section on aliased Bundle fields (#2444)