Revert "remove qrngd"

This reverts commit 35072180e3604d029cc993c1af825f0e04ae24d3.

Change-Id: I589e6fdb0b4702c8b55ca0b47b3819db128f8e7f
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_device_samsung_d2-common into personal