arm64: defconfig: Enable ipq6018 apss clock and PLL controller

The PLL and IPQ6018 APSS clock controller are used on several
IPQ platforms to clock the CPU. Hence it should be enabled and built-in.

Signed-off-by: Devi Priya <quic_devipriy@quicinc.com>
Acked-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230406061314.10916-6-quic_devipriy@quicinc.com