qcom: clock-cpu-8994: Set test-control values

Updated PLL enablement sequences from the hardware
team requires the setting of the PLL test control
registers. Add these values to the cluster PLL
structures.

Change-Id: I3bf99be26d9bd2c506cca122bc51f83fff0c9502
Signed-off-by: Vikram Mulukutla <markivx@codeaurora.org>