fix(platform/xilinx): fallback to mklink for file symlink creation on Windows

platform/xilinx/util.tcl

@@ -125,7 +125,21 @@ proc _handle_sources {app_name sources} {
             switch $link_srcs {
                 "y" {
                     # Create symbolic link
+                    # -- TCL cannont create symbolic link for files on Windows
+                    # -- Fallback to use mklink command
+                    if {$::tcl_platform(platform) eq "windows" && ![file isdirectory $eval_source]} {
+                        if {[catch {
+                            exec cmd /c mklink [file nativename $target_path] [file nativename $eval_source]
+                        } err]} {
+                            error "Failed to create file symbolic link using mklink: $err"
+                        }
+                    } else {
+                        if {[catch {
                             file link -symbolic $target_path $eval_source
+                        } err]} {
+                            error "Failed to create symbolic link: $err"
+                        }
+                    }
                     _info "Created symbolic link: $target_path -> $eval_source"
                 }
                 "n" {