hw/arm/tosa: Replace fprintf() calls by LED devices

The recently added LED device reports LED status changes with
the 'led_set_intensity' trace event. It is less invasive than
the fprintf() calls. We need however to have a binary built
with tracing support.

Reviewed-by: Luc Michel <luc.michel@greensocs.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200912134041.946260-8-f4bug@amsat.org>
2 files changed