docs: advertise distro-provided meson cross-files

Hopefully we can kick start the revolution and other distros will start
providing them as well :)

Signed-off-by: Eric Engestrom <eric.engestrom@intel.com>
Reviewed-by: Dylan Baker <dylan@pnwbakers.com>
diff --git a/docs/meson.html b/docs/meson.html
index 89a19dd..780626e 100644
--- a/docs/meson.html
+++ b/docs/meson.html
@@ -256,6 +256,15 @@
 will likely have to alter them for your system.</p>
 
 <p>
+Those running on ArchLinux can use the AUR-maintained packages for some
+of those, as they'll have the right values for your system:
+<ul>
+  <li><a href="https://aur.archlinux.org/packages/meson-cross-x86-linux-gnu">meson-cross-x86-linux-gnu</a></li>
+  <li><a href="https://aur.archlinux.org/packages/meson-cross-aarch64-linux-gnu">meson-cross-aarch64-linux-gnu</a></li>
+</ul>
+</p>
+
+<p>
 32-bit build on x86 linux:
 <pre>
 [binaries]