usb: chipidea: pull down dp for possible charger detection operation

The bootloader may use device mode, and keep dp up. We need dp
to be pulled down before possbile charger detection operation.

Signed-off-by: Peter Chen <peter.chen@nxp.com>
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Peter Chen 2020-02-10 18:46:27 +08:00
commit 5523f06a19
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