ARM: dts: msm8996: Add device entry for qbt1000 driver

This is required for operation of fingerprint sensor
secure app.

CRs-Fixed: 851186
Change-Id: I11fe01a476b52876f8a3f6eee5b4d4f4a39b113d
Acked-by: Biren Patel <bpatel@qti.qualcomm.com>
Signed-off-by: Amal Paul <amal@codeaurora.org>