projects-using-musl.md: change OpenWrt status from "providing" to "using"

OpenWrt defaults to musl since nearly 10 years. So move it from "projects providing musl" to "projects using musl". Continue to mention the exception.

Author: txt-file

projects-using-musl.md

@@ -42,6 +42,7 @@
     - Contains instructions for bootstrapping LFS-style
 - [morpheus] - suckless linux distro
 - [oasis] - statically linked linux distribution based on musl and other lightweight components.
+- [OpenWrt] - defaults to musl as libc since 2015 ([OpenWrt-commit]) except for (as of April 2025) arc CPU ISA ([OpenWrt-reference])
 - [sabotage] - experimental Linux distribution based on busybox and musl.
     - About 700 packages including X11, LXDE, alsa, SDL, C++.
     - Supports i386, x86_64, arm, mips, powerpc
@@ -81,6 +82,9 @@
 [Mere Linux]: https://merelinux.org
 [morpheus]: https://git.2f30.org/morpheus/
 [oasis]: https://github.com/michaelforney/oasis
+[OpenWrt]: https://openwrt.org/
+[OpenWrt-commit]: https://git.openwrt.org/?p=openwrt/openwrt.git;a=commitdiff;h=a7780603923fddec225c9f4b0990fede4c2695a9
+[OpenWrt-reference]: https://git.openwrt.org/?p=openwrt/openwrt.git;a=blob;f=toolchain/Config.in;h=71ebbeb47bf2a024ba070ac02bf0c07a10227c14;hb=HEAD#l285
 [sabotage]: http://sabo.xyz/
 [Snowflake]: https://github.com/GregorR/snowflake
 [solyste]: https://framagit.org/Ypnose/solyste
@@ -100,8 +104,6 @@
   (ppa:bortis/musl) for Saucy Salamander.
 - [openadk] Embedded Linux buildsystem, musl can be selected as the libc of the
   system.
-- [OpenWrt] packages musl and uses musl as default libc except for mips64 since
-  [r45995].
 - [Yocto] - OpenEmbeeded based Yocto Project supports generated embedded Linux distributions based on musl C library
     - Set TCLIBC = "musl" to switch default C library to musl for building embedded linux platforms
     - poky-tiny ( Yocto Project Reference Distribution ) is now based on musl
@@ -113,8 +115,6 @@
 [Fedora]: https://src.fedoraproject.org/rpms/musl
 [musl overlay]: https://gitweb.gentoo.org/proj/musl.git
 [openadk]: https://openadk.org/
-[OpenWrt]: https://openwrt.org/
-[r45995]: https://dev.openwrt.org/changeset/45995
 [Ubuntu]: http://packages.ubuntu.com/search?keywords=musl&searchon=names&suite=all&section=all
 [Yocto]: https://www.yoctoproject.org/
 [Yoe]: https://www.yoedistro.org/