ARM: dts: msm: Add support for turing ETM on SDM845

Add turing ETM device to the device tree for SDM845. This device
will be used to configure the path from turing ETM to the sink.

Change-Id: I2e52759d440d2287f56b3532440bc8c44ae78ea5
Signed-off-by: Satyajit Desai <sadesai@codeaurora.org>