ARM: dts: msm: Add debugcc clock node for Scuba

Add debug clock controller node to use the debug clock
controller driver for measuring the clocks. Also add
MCCC and CPUCC device and phandle reference to debugcc
to map register space for the apss specific debug mux.

Also, Update the GPUCC node to use the real clock
controller and also update the GDSCs for GPUCC.

Change-Id: Ic5c90bda2f34c30ae9ce716cfae39ef98bec50c6