ARM: dts: msm: Update device tree node for msm-pcm-dsp

Update the name and properties for msm-pcm-dsp. Use qti instead
of qcom for device node and its properties.

Change-Id: I9653883089022002e93d86acc14f555d837b9a22
Signed-off-by: Krishnankutty Kolathappilly <kkolat@codeaurora.org>