fix hard-code arch in templates

gen_input/templates/CORENAME.cpp.gtl

@@ -59,7 +59,7 @@ ${coreDef.name.toLowerCase()}::~${coreDef.name.toLowerCase()}() = default;
 
 void ${coreDef.name.toLowerCase()}::reset(uint64_t address) {
     auto base_ptr = reinterpret_cast<traits<${coreDef.name.toLowerCase()}>::reg_t*>(get_regs_base_ptr());
-    for(size_t i=0; i<traits<tgc_c>::NUM_REGS; ++i)
+    for(size_t i=0; i<traits<${coreDef.name.toLowerCase()}>::NUM_REGS; ++i)
         *(base_ptr+i)=0;
     reg.PC=address;
     reg.NEXT_PC=reg.PC;