arm64: dts: qcom: sc8280xp: mark USB controllers as wakeup-sources

The primary and secondary USB controllers can be used to wake the system
from suspend so mark them accordingly.

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Tested-by: Steev Klimaszewski <steev@kali.org> #Lenovo Thinkpad X13s
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220902081652.12631-1-johan+linaro@kernel.org