arm64: defconfig: Enable Qualcomm IPQ CMN PLL clock controller

arm64: defconfig: Enable Qualcomm IPQ CMN PLL clock controller

The CMN PLL hardware block is available in the Qualcomm IPQ SoC such
as IPQ9574 and IPQ5332. It provides fixed rate output clocks to Ethernet
related hardware blocks such as external Ethernet PHY or switch. This
driver is initially being enabled for IPQ9574. All boards based on
IPQ9574 SoC will require to include this driver in the build.

This CMN PLL hardware block does not provide any other specific function
on the IPQ SoC other than enabling output clocks to Ethernet related
devices.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Luo Jie <quic_luoj@quicinc.com>
Link: https://lore.kernel.org/r/20250103-qcom_ipq_cmnpll-v8-3-c89fb4d4849d@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>