arm64: dts: qcom: sc7280: correct CPU BWMON unit address

Correct CPU BWMON unit address to match the "reg" property.

Reported-by: Stephen Boyd <swboyd@chromium.org>
Fixes: b2f3eac1 ("arm64: dts: qcom: sc7280: Add cpu and llcc BWMON")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220908085830.39141-1-krzysztof.kozlowski@linaro.org