Revert "enable USB-OTG"

This reverts commit 74250f286e6ab157649c2bef9dee42ef23606ad7.
Revert "enable USB-OTG"

This reverts commit 54e0a13a6a798ae070e1ab1c47d04d337de6f5f1.
Revert "enable USB-OTG"

This reverts commit 8f22720c08fed08a2d09bb869e7a7234252edd7c.