Simplify the allocation and cleanup of driver data by using devmReviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
together with a flexible array. Prepare for adding additional per-CPU
data by defining a struct qcom_cpufreq_drv_cpu instead of storing the
opp_tokens directly.
Signed-off-by: Stephan Gerhold <stephan.gerhold@xxxxxxxxxxxxxxx>
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