Block Digrams: Update FMCOMMS2 block diagram with feedback from Wyatt &
Pat

Signed-off-by: Robin Getz <Robin.Getz@analog.com>
FMCOMMS2: Allow the three main windows inside the controls to be collapsed,
          so it fits on smaller screens (including 1080p) better (at all).

Signed-off-by: Robin Getz <robin.getz@analog.com>
Block Diagrams: When block diagrams aren't being shown, remove them, to
                allow the proper scaling to happen.

Signed-off-by: Robin Getz <Robin.Getz@analog.com>