usbh1: works

* Enable and hook in the chrgvbus hack under our vendor name as a device
  tree property, since it's mostly only for us.

  Add a note that Smarttop should work without it. Need schematic review
  by someone who has a slightly more focused and less frustrated mindset
  than me right now to figure out WHY it doesn't work without it.

* Fix H1PM/H2PM masking issue.