meson: convert hw/net

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/hw/meson.build b/hw/meson.build
index f704e51..1f7b2c4 100644
--- a/hw/meson.build
+++ b/hw/meson.build
@@ -1,5 +1,6 @@
 subdir('core')
 subdir('mem')
+subdir('net')
 subdir('nubus')
 subdir('nvram')
 subdir('pci')