arm64: dts: qcom: sc7280: Fixup cpufreq domain info for cpu7

The SC7280 SoC supports a 4-Silver/3-Gold/1-Gold+ configuration and hence
the cpu7 node should point to cpufreq domain 2 instead.

Fixes: 7dbd121a ("arm64: dts: qcom: sc7280: Add cpufreq hw node")
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Link: https://lore.kernel.org/r/1626800953-613-1-git-send-email-sibis@codeaurora.org


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