cr2: use plot_utils.plot_load in summary_plots()
cr2: use plot_utils.plot_load in summary_plots()

bjackman/trappy,sinkap/trappy,joelagnel/trappy,sinkap/trappy,sinkap/trappy,ARM-software/trappy,joelagnel/trappy,sinkap/trappy,JaviMerino/trappy,joelagnel/trappy,joelagnel/trappy,ARM-software/trappy,derkling/trappy,bjackman/trappy,derkling/trappy,derkling/trappy,JaviMerino/trappy,bjackman/trappy,ARM-software/trappy,ARM-software/trappy,JaviMerino/trappy,bjackman/trappy