ARM: dts: msm: Add GPU coresight properties for SM8150

Add GPU GX and CX coresight devicetree nodes. Define GPU coresight
names, ATIDs, and their funnel connections.
Include QDSS_GFX_DBG memory mapping in kgsl-3d0 node to access
those registers through coresight interface.

Change-Id: If3231029961788926793f9596f9dcda592825661
Signed-off-by: Mohammed Mirza Mandayappurath Manzoor <mmandaya@codeaurora.org>