Adding maximum speed property for DWC3 USB node which can be used
for setting interconnect bandwidth.
Signed-off-by: NSandeep Maheswaram <sanm@codeaurora.org>
Reviewed-by: NMatthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/1595317489-18432-3-git-send-email-sanm@codeaurora.orgSigned-off-by: NBjorn Andersson <bjorn.andersson@linaro.org>