Remove non ascii char from log string

Some string printed in log were containing Non-breaking spaces
leading to terminal corruption.

Replace them with normal ASCII spaces.

Change-Id: Ia934a9070a26caa613ecf679109b8b26fa95ae43
Signed-off-by: Kevin Rocard <kevinx.rocard@intel.com>
Remove non ASCII char from log string

Some comments representing a file tree were
using non ASCII characters.
They are not readable on many editors leading to
incoherent display.

Replace them by plain ASCII characters.

Signed-off-by: Kevin Rocard <kevinx.rocard@intel.com>