sdcard: Display which protocol is used when tracing (SD or SPI)

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20180309153654.13518-4-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2 files changed