u_boot_pylib: Use terminal.tprint() for output in tout

Refactor tout.py to use terminal.tprint() instead of direct print()
calls. This provides better control over output formatting and
supports the new stderr parameter. It also reduces code duplication.

Co-developed-by: Claude <noreply@anthropic.com>
Signed-off-by: Simon Glass <simon.glass@canonical.com>

tools/u_boot_pylib/tout.py

@@ -11,8 +11,6 @@ from u_boot_pylib import terminal
 # Output verbosity levels that we support
 FATAL, ERROR, WARNING, NOTICE, INFO, DETAIL, DEBUG = range(7)
 
-in_progress = False
-
 """
 This class handles output of progress and other useful information
 to the user. It provides for simple verbosity level control and can
@@ -46,11 +44,8 @@ def user_is_present():
 
 def clear_progress():
     """Clear any active progress message on the terminal."""
-    global in_progress
-    if verbose > ERROR and stdout_is_tty and in_progress:
-        _stdout.write('\r%s\r' % (" " * len (_progress)))
-        _stdout.flush()
-        in_progress = False
+    if verbose > ERROR and stdout_is_tty:
+        terminal.print_clear()
 
 def progress(msg, warning=False, trailer='...'):
     """Display progress information.
@@ -58,17 +53,14 @@ def progress(msg, warning=False, trailer='...'):
     Args:
         msg: Message to display.
         warning: True if this is a warning."""
-    global in_progress
     clear_progress()
     if verbose > ERROR:
         _progress = msg + trailer
         if stdout_is_tty:
             col = _color.YELLOW if warning else _color.GREEN
-            _stdout.write('\r' + _color.build(col, _progress))
-            _stdout.flush()
-            in_progress = True
+            terminal.tprint('\r' + _progress, newline=False, colour=col, col=_color)
         else:
-            _stdout.write(_progress + '\n')
+            terminal.tprint(_progress)
 
 def _output(level, msg, color=None):
     """Output a message to the terminal.
@@ -81,12 +73,10 @@ def _output(level, msg, color=None):
     """
     if verbose >= level:
         clear_progress()
-        if color:
-            msg = _color.build(color, msg)
-        if level < NOTICE:
-            print(msg, file=sys.stderr)
+        if level <= WARNING:
+            terminal.tprint(msg, colour=color, col=_color, stderr=True)
         else:
-            print(msg)
+            terminal.tprint(msg, colour=color, col=_color)
     if level == FATAL:
         sys.exit(1)