d2: re-enable bluetooth lpm

Change-Id: Ib0b1cfdf0be6d0861dfbd7d1264117c01aa52067
Revert "remove qrngd"

This reverts commit 35072180e3604d029cc993c1af825f0e04ae24d3.

Change-Id: I589e6fdb0b4702c8b55ca0b47b3819db128f8e7f