libiio: update to 0.25

While at, backport fix to compile against libxml 2.12.0.

Signed-off-by: Michael Heimpold <mhei@heimpold.de>

libs/libiio/Makefile

@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libiio
-PKG_VERSION:=0.21
+PKG_VERSION:=0.25
-PKG_RELEASE:=4
+PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://codeload.github.com/analogdevicesinc/libiio/tar.gz/v$(PKG_VERSION)?
-PKG_HASH:=03d13165cbeb83b036743cbd9a10e336c728da162714f39d13250a3d94305cac
+PKG_HASH:=21972599a3c143ab1f98002ad2b3f28f4aff927fde5f677478311cd4e517730c
 
 PKG_LICENSE:=LGPL-2.1
 PKG_LICENSE_FILES:=COPYING.txt
@@ -35,7 +35,7 @@ include $(INCLUDE_DIR)/cmake.mk
 
 CMAKE_OPTIONS += -DWITH_DOC=OFF
 CMAKE_OPTIONS += -DENABLE_IPV6=$(if $(CONFIG_IPV6),ON,OFF)
-CMAKE_OPTIONS += -DENABLE_AIO=OFF
+CMAKE_OPTIONS += -DWITH_AIO=OFF
 CMAKE_OPTIONS += -DWITH_LOCAL_BACKEND=$(if $(CONFIG_LIBIIO_LOCAL_BACKEND),ON,OFF)
 CMAKE_OPTIONS += -DWITH_LOCAL_CONFIG=OFF
 CMAKE_OPTIONS += -DWITH_NETWORK_BACKEND=$(if $(CONFIG_LIBIIO_NETWORK_BACKEND),ON,OFF)

libs/libiio/patches/0001-xml-Fix-compatibility-with-libxml-2.12.patch

@@ -0,0 +1,27 @@
+From bb688d04294dda45e68dfaf13e3bc1187841e52a Mon Sep 17 00:00:00 2001
+From: Jan Tojnar <jtojnar@gmail.com>
+Date: Sun, 10 Dec 2023 21:52:05 +0100
+Subject: [PATCH] xml: Fix compatibility with libxml 2.12
+
+libxml 2.12.0 reorganized includes, resulting in the following no longer being in scope:
+
+- XML_PARSE_DTDVALID
+- xmlReadMemory
+- xmlReadFile
+- xmlCleanupParser
+
+Signed-off-by: Jan Tojnar <jtojnar@gmail.com>
+---
+ xml.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+--- a/xml.c
++++ b/xml.c
+@@ -10,6 +10,7 @@
+ #include "iio-private.h"
+ 
+ #include <errno.h>
++#include <libxml/parser.h>
+ #include <libxml/tree.h>
+ #include <string.h>
+