ARM: dts: msm: Add NPU_DSP stream IDs for npu atoll

In order to allow NPU Q6 to access IOMMU mapped address, NPU_DSP
stream IDs need to be added.

Change-Id: Ifd7bb462d0d4bd69fe84acbd2140362adb4b405f
Signed-off-by: Da Hoon Pyun <dpyun@codeaurora.org>