[core] code format

Author: tangxifan

vpr/src/base/SetupGrid.h

@@ -22,7 +22,6 @@ DeviceGrid create_device_grid(const std::string& layout_name,
                               float target_device_utilization = 0.0);
 
 ///@brief Find the device close in size to the specified dimensions
-
 DeviceGrid create_device_grid(const std::string& layout_name, const std::vector<t_grid_def>& grid_layouts, size_t min_width, size_t min_height);
 
 

vpr/src/route/rr_graph.cpp

@@ -568,7 +568,6 @@ static void alloc_rr_switch_inf(RRGraphBuilder& rr_graph_builder,
                                 t_arch_switch_fanin& arch_switch_fanins,
                                 const std::map<int, t_arch_switch_inf>& arch_sw_map);
 
-
 static std::vector<t_seg_details> alloc_and_load_global_route_seg_details(const int global_route_switch);
 
 static RRNodeId pick_best_direct_connect_target_rr_node(const RRGraphView& rr_graph,