meson: convert migration directory to Meson

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/meson.build b/meson.build
index 60313b2..9bc1a2a 100644
--- a/meson.build
+++ b/meson.build
@@ -308,6 +308,10 @@
 if 'CONFIG_LZO' in config_host
   lzo = declare_dependency(link_args: config_host['LZO_LIBS'].split())
 endif
+rdma = not_found
+if 'CONFIG_RDMA' in config_host
+  rdma = declare_dependency(link_args: config_host['RDMA_LIBS'].split())
+endif
 
 create_config = find_program('scripts/create_config')
 minikconf = find_program('scripts/minikconf.py')
@@ -655,6 +659,7 @@
 common_ss.add(files('cpus-common.c'))
 
 subdir('softmmu')
+subdir('migration')
 subdir('monitor')
 subdir('replay')