Remove flags from BD file

The 0x01 flag told the boot ROM to write out
its commands as they were executed.  This is not
needed.

Signed-off-by: Jeff Horn <jhorn@reachtech.com>
Set the correct DUART in power_prep.c

Add a print statement in init-mx28.c for the
DUART MUX

Signed-off-by: Jeff Horn <jhorn@reachtech.com>
Fix the bootlet name to match the board

Signed-off-by: Jeff Horn <jhorn@reachtech.com>
Remove unnecessary symlink

Signed-off-by: Jeff Horn <jhorn@reachtech.com>