ARM: dts: msm: Add bluetooth node of wcn3990 for sdm630

Bluetooth functionality is provided by wcn3990 on sdm630. Add device tree
entry having various voltage regulators, clock settings etc.

Change-Id: I8640138f3485e1b1a26fb0f63526ad6083b93193
Signed-off-by: Rupesh Tatiya <rtatiya@codeaurora.org>