When running the trace test on the sandbox platform, the current size
of 16MiB is no longer large enough for capturing the entire trace
history, and results in truncation. Use a size of 32MiB for the trace
buffer on the sandbox platform while running the trace test.
Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>