fixes sysc compile issues

gen_input/templates/CORENAME_instr.yaml.gtl

@@ -14,7 +14,7 @@ ${name}: <% instrList.findAll{!it.instruction.name.startsWith("__")}.each { %>
     encoding: ${it.encoding}
     mask: ${it.mask}<%if(it.attributes.size) {%>
     attributes: ${it.attributes}<%}%>
-	size:   ${it.length}
-	branch:   ${it.modifiesPC}
-	delay:   ${it.isConditional?"[1,1]":"1"}<%}}%>
+    size:   ${it.length}
+    branch:   ${it.modifiesPC}
+    delay:   ${it.isConditional?"[1,1]":"1"}<%}}%>