hwrng: Add QRNG driver snapshot

This is a snapshot of the qrng driver as of msm-4.4
commit <0293b8a7d07a2> (qcom: smb-lib: rerun APSD on
insertion for micro USB mode).

Change-Id: I84fcd1e823b3a139de03a387ae5bd14d03b31827
Signed-off-by: AnilKumar Chimata <anilc@codeaurora.org>
4 files changed