lib/systems: disable pipewireSupport in qemu-user

Option added in 5b0ed68c106c1cbe3b573f3d1ca8c73eb203e346

it causes infinite recursion in cross builds

There's a another inf rec that needs 6946977de0de845e69a805f179b96a87d17640fa which is in staging

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/systems/default.nix b/lib/systems/default.nix
index 40a2c88f32b8f..960f986beb312 100644
--- a/lib/systems/default.nix
+++ b/lib/systems/default.nix
@@ -224,6 +224,7 @@ rec {
               gtkSupport = false;
               sdlSupport = false;
               pulseSupport = false;
+              pipewireSupport = false;
               smbdSupport = false;
               seccompSupport = false;
               enableDocs = false;