clk: qcom: gcc-sdm845: Add the voltage sensor clock support

The voltage sensor clocks have been assigned to be under
HLOS control. Add support for them in the clock driver.

Change-Id: I838ea51a60a55828e4b95df4a7ce156d99120647
Signed-off-by: Deepak Katragadda <dkatraga@codeaurora.org>