ARM: dts: msm: Enable USB BAM on APQ8084

Enable USB BAM device for the SS USB core, which allows for
BAM-enabled USB transfers for functions such as QDSS. Also
fix the following:

- the FIFO base address should be specified as a 32-bit value
- the data FIFO offset to the USB3 controller's internal memory
  was pointing to the wrong address
- add TX FIFO size parameters specifying the available memory in
  the USB3 controller both when QDSS is enabled and disabled

Change-Id: I35eee4c4c2d747aad9b9f25b4005cc3e3cb1c477
Signed-off-by: Jack Pham <jackp@codeaurora.org>