doc: usb: ci-hdrc-usb2: Add pinctrl properties definition

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Some hardware implementations require to configure pins differently
according to the USB role (host/device), this can be an update of the
pins routing or a simple GPIO value change.

This patch introduces new optional "host" and "device" pinctrls.
If these pinctrls are defined by the device, they are respectively
selected on host/device role start.

Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: Peter Chen <peter.chen@nxp.com>

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Loic Poulain 2018-09-04 17:18:56 +02:00 • committed by Peter Chen

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Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt

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