clk: qcom: clk-alpha-pll: Add support to configure PLL_TEST_CTL_U2

The lucid ole pll reuses lucid evo ops but it has an additional test
control register which is required to be programmed, add support to
program the same.

Signed-off-by: Jagadeesh Kona <quic_jkona@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230524145203.13153-2-quic_jkona@quicinc.com