yaffs: Rationalise plot_data.sh plot_data.sh now includes all the scripting required to do the plotting. No longer uses seperate scripts to gather data and drive gnu-plot. Signed-off-by: Charles Manning <cdhmanning@gmail.com>
Add more test code. Signed-off-by: Charles Manning <cdhmanning@gmail.com>
Add scripts for realtime plotting erased psace vs free space