Added common lib

libraries/technology/ip_stratixiv/mult/hdllib.cfg

 hdl_lib_name = ip_stratixiv_mult	
 hdl_library_clause_name = ip_stratixiv_mult_lib
-hdl_lib_uses_synth = technology
+hdl_lib_uses_synth = technology common
 hdl_lib_uses_sim = 
 
 hdl_lib_technology = ip_stratixiv
 
 synth_files =
+    ip_stratixiv_mult.vhd
+    ip_stratixiv_mult_rtl.vhd
     ip_stratixiv_complex_mult.vhd
     ip_stratixiv_complex_mult_rtl.vhd