WIP: dwc3 runtime PM
requested to merge martin.kepplinger/linux-next:5.6-rc6/librem5___dwc3_pm_runtime into imx8-next-librem5
For us, this depends on https://source.puri.sm/Librem5/linux-next/merge_requests/84 being merged first!
upstream reference: https://lore.kernel.org/linux-usb/20200318083508.20781-1-martin.kepplinger@puri.sm/T/