rsz: in repair_tie_fanout put the tie cell in the module with the load
rsz: in repair_tie_fanout put the tie cell in the module with the load

Also name the new tie instance from the load's name, not the driver's, as that
name matches where it is inserted in the module hierarchy.

Signed-off-by: Matt Liberty <44ef1ce0ef6935daf739a0795dad249ba5322e97@eng.ucsd.edu>

QuantamHD/OpenROAD,The-OpenROAD-Project/OpenROAD,QuantamHD/OpenROAD,The-OpenROAD-Project/OpenROAD,QuantamHD/OpenROAD,QuantamHD/OpenROAD,The-OpenROAD-Project/OpenROAD,The-OpenROAD-Project/OpenROAD,The-OpenROAD-Project/OpenROAD,QuantamHD/OpenROAD