- Changed settings for requantizer by adding c_wpfb_out_dat_significant_w

-Changed pinning file 

from ddr4 testing version ddr4_micron_46)

CS1_n, CKE1, ODT1 in tech_ddr_arria10.vhd)

setting CS1_n=1, CKE1=0 and ODT1=0

This all in order to make the g_use_ctrl generic work fine. 
It works fine now! 

- Added signal declaration string