net: Display the size when tftpboot finishes

If we know the file size, display it after loading the file.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/net/tftp.c b/net/tftp.c
index 966d1cf..0a2c533 100644
--- a/net/tftp.c
+++ b/net/tftp.c
@@ -299,6 +299,8 @@
 		putc('#');
 		TftpNumchars++;
 	}
+	puts("  ");
+	print_size(TftpTsize, "");
 #endif
 	time_start = get_timer(time_start);
 	if (time_start > 0) {