Fix error in cctest script for testing PLEP function
Update libreg sim.c to make noise control the peak-peak instead of amplitude
Update cctest to change NOISE_SIM parameters to NOISE_SIM_PP
Updated cctest SPS_MPS scripts to add CNGS table based on measurement and adjust load
Update cctest scripts to replace B/I_SIM_NOISE with B/I_SIM_NOISE_PP