iproute2: fix GCC14 compilation

Missing limits.h. Upstream backport.

Add extra backports. Replace Alpine Linux patch with upstream one. Same
with patch 400.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/17426
Signed-off-by: Robert Marko <robimarko@gmail.com>

package/network/utils/iproute2/patches/018-linux-limits.patch

@@ -0,0 +1,37 @@
+From 458dce5d0431f0589aca1bc841904b5d1db3bbce Mon Sep 17 00:00:00 2001
+From: Stephen Hemminger <stephen@networkplumber.org>
+Date: Thu, 12 Dec 2024 14:18:35 -0800
+Subject: [PATCH] uapi: remove no longer used linux/limits.h
+
+Code is now using limits.h instead.
+
+Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
+---
+ include/uapi/linux/limits.h | 21 ---------------------
+ 1 file changed, 21 deletions(-)
+ delete mode 100644 include/uapi/linux/limits.h
+
+--- a/include/uapi/linux/limits.h
++++ /dev/null
+@@ -1,21 +0,0 @@
+-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+-#ifndef _LINUX_LIMITS_H
+-#define _LINUX_LIMITS_H
+-
+-#define NR_OPEN	        1024
+-
+-#define NGROUPS_MAX    65536	/* supplemental group IDs are available */
+-#define ARG_MAX       131072	/* # bytes of args + environ for exec() */
+-#define LINK_MAX         127	/* # links a file may have */
+-#define MAX_CANON        255	/* size of the canonical input queue */
+-#define MAX_INPUT        255	/* size of the type-ahead buffer */
+-#define NAME_MAX         255	/* # chars in a file name */
+-#define PATH_MAX        4096	/* # chars in a path name including nul */
+-#define PIPE_BUF        4096	/* # bytes in atomic write to a pipe */
+-#define XATTR_NAME_MAX   255	/* # chars in an extended attribute name */
+-#define XATTR_SIZE_MAX 65536	/* size of an extended attribute value (64k) */
+-#define XATTR_LIST_MAX 65536	/* size of extended attribute namelist (64k) */
+-
+-#define RTSIG_MAX	  32
+-
+-#endif