PS Move improvements

[Megamouse]

• (All ps move handlers) Fix ps move tracking in the following scenario:
  When calling cellGemTrackHues with CELL_GEM_DONT_TRACK_HUE, the games expect cellGemGetState to return CELL_GEM_HUE_NOT_SET.
  This may fix lost input during calibration in certain games, since cellGemTrackHues is being used in the same fashion before calibrations in some of the libgem examples.
• (Real ps move handler) Calculate distance from sphere to camera based on common webcam focal length and sensor width.
  This may help some games to determine if the controller is near or far from the camera

[legend800]

Thanks for your continued work here. I know you weren't targeting HOD Overkill with this but tried the change given the fix area but still can't get past the calibration screen. All the buttons work, just can't move the in-game cursor (fine in other titles). Tracking issue: #7840

RPCS3.log.gz