Revert "universal7904: Assert on firmware version"

* This isn't a hard requirement actually, really broken firmwares can't even boot recovery anyway

This reverts commit cc9a01910ccab046f5f97cefa25d26b68b9b4618.

Change-Id: I02318fb0cbb53ba470d46f1857135d2e4c53d4dc
4 files changed