MDPI devices compatibility

This fixes ROMControl compatibility with mdpi devices,
ie. NavBar settings finally works - and a whole NavBar
works ok.

Change-Id: Ie80d3b587ddcbb6a639399e8ee006be188a38d72
Signed-off-by: utak3r <piotr.borys@gmail.com>
Fix TabletUI NavBar height settings.

Tablets use HeightLandscape, not Width.

Change-Id: If8c914d68d7701eb7a0b6c4448084d50871bf93b
Signed-off-by: Zaphod <mwilson@acesappraisal.com>