Added hdllib.cfg for this ip_stratixiv_pll library.

libraries/technology/ip_stratixiv/pll/hdllib.cfg

+hdl_lib_name = ip_stratixiv_pll
+hdl_library_clause_name = ip_stratixiv_pll_lib
+hdl_lib_uses = 
+hdl_lib_technology = ip_stratixiv
+
+build_dir_sim = $HDL_BUILD_DIR
+build_dir_synth = $HDL_BUILD_DIR
+
+synth_files =
+    ip_stratixiv_pll_clk200.vhd
+    ip_stratixiv_pll_clk200_p6.vhd
+    
+test_bench_files =