clk: qcom: debugcc-sdm845: Add measurement support for the vs clocks

Add the measurement mux node information for the voltage sensor
clocks on SDM845. This will allow clients to get the hardware
rate measurement for these clocks from debugfs.

Change-Id: I67c82c519a52c1e8b144eabf808590f63d7547c8
Signed-off-by: Deepak Katragadda <dkatraga@codeaurora.org>