- fixes sample codes' relative paths
- updates instructions to build and run for native posix
platforms on its 64 flavor.
Signed-off-by: Glauber Maroto Ferreira <glauber.ferreira@espressif.com>
This should align with subsys/display which we do not have yet. Plan is
to move lib/gui into subsys/display.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>