imx: usb: ehci-mx6: wait_for_bit to check reg status
Add wait_for_bit to check reg bit status and replace unbounded
loops to check usb command status
Signed-off-by: NAdrian Alonso <aalonso@freescale.com>
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Add wait_for_bit to check reg bit status and replace unbounded
loops to check usb command status
Signed-off-by: NAdrian Alonso <aalonso@freescale.com>