ARM: configs: qcom_defconfig: Enable CPUFreq support

Enable CPUFreq and CPUFreq DT drivers to carry out CPU Frequency scaling
duties on platforms like SDX55.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210408170930.91834-4-manivannan.sadhasivam@linaro.org


Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>