Revert order-only dependency change from #1758

[abejgonzalez]

Background Work

• Yes, I searched the mailing list
• Yes, I searched prior issues
• Yes, I searched the documentation

Chipyard Version and Hash

N/A

OS Setup

N/A

Other Setup

Ex: Prior steps taken / Documentation Followed / etc...

Current Behavior

https://github.com/ucb-bar/chipyard/pull/1758/files reverted a order-only dependency that prevented SBT from running in parallel. Sometimes if SBT is run in parallel, concurrency errors happen. This order-only dependency prevents that.

Expected Behavior

N/A

Other Information

@jerryz123