USB: msm_otg: Update HTC variant of msm_otg

HTC kernel version: m7stock_3.4.10-g1a25406

Change-Id: I2707390c287a6d2a9f05814aea25362347240048
usb: Remove CONFIG_USB_OTG_HOST

* Set the correct behavior for HTC's driver, and turn these options off
  for 8960s. They cause some nasty side effects on XHCI systems.

Change-Id: I5d0e8ceaadd2cf4d90bfef420a144e07eae39f76