arm64: dts: sdm845: Add CPU capacity values

Specify the relative CPU capacity of all SDM845 AP cores.

The values were provided by Qualcomm engineers.

Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Rajendra Nayak <rnayak@codeaurora.org>
Signed-off-by: Andy Gross <agross@kernel.org>