usb: misc: nb7vpq904m: fix issue when connect USB hub

when redriver connect to a USB hub, and do adb root operation,
due to redriver rx termination detection issue,
hub will not detct device logical removal.
workaround to temp disable/enable redriver when usb pullup operation.

Change-Id: Ia3b0c99a28dd7d0601e7c5bcc612c4c48447c165
Signed-off-by: Linyu Yuan <linyyuan@codeaurora.org>