Expose PLL status and lock bits to user.
Expose PLL status and lock bits to user.

Currently for diagnostic purposes.

--CAR

Plourde-Research-Lab/Qlab,BBN-Q/Qlab,Plourde-Research-Lab/Qlab,Plourde-Research-Lab/Qlab,BBN-Q/Qlab,rmcgurrin/Qlab,BBN-Q/Qlab,rmcgurrin/Qlab,rmcgurrin/Qlab,rmcgurrin/Qlab,BBN-Q/Qlab