ARM: dts: msm: Add USB BAM device for msmferrum

QDSS over USB requires USB BAM. The 1.5K Data FIFO and
0.5K Descriptor FIFO is used from the IMEM.

Change-Id: Ic5621c797a7d6f6ad858f606092c08d710378b1a
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>