mem: Added Chisel DB

[shinezyy]

This allows dcache dump its miss traces into a sqlite3 database.

Change-Id: I22b486d97ee6e3b96d647969d983d327cde31a7f

• usage: --enable-chisel-db --chisel-db-file=file_path.db
• TODO: maybe we should rename chisel-db to arch-db?