Here is a fix for 0.6.0.1 that doesn't include messing with the firmware.
https://www.reddit.com/r/oculus/comments/3dugxj/thank_you_oculus_sdk_0601_now_supports_lens/
Yeah I saw that... but people have complained that 6.0.0.1 doesn't run ED as well as 5.0
Would be great to hear feedback on 6.0.0.1 and this workaround (although I'm happy with the firmware fix, it's quick and easy)