ARM: dts: msm: Disable npudsp_npu_ddr_bw for atoll

This change is to disable npudsp ddr bw for the atoll platform.

Change-Id: I35c37dfaaf3a7c8112d713739f6004c51a8ebda1
Signed-off-by: Da Hoon Pyun <dpyun@codeaurora.org>