Have you successfully installed lollipop? If yes, then there is no way you could not boot into stock recovery because the procedure demands a stock recovery. Now for all the people out there, the stock recovery is in the firmware.zip folder in the...
Lol. Read literally two posts over yours.
They haven't the source code of the 'new' kernel yet, hence your question can't be answered as for now.
Just use the stock kernel until ElementalX gets updated.
But, thanks for reporting the issue (...