arm64: dts: qcom: qcs8300: Add cpufreq scaling node

Add cpufreq-hw node to support cpufreq scaling on QCS8300.

Signed-off-by: Imran Shaik <quic_imrashai@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250430-qcs8300-cpufreq-scaling-v2-1-ee41566b8c56@quicinc.com


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