moxie: configure with default-configs file

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/default-configs/moxie-softmmu.mak b/default-configs/moxie-softmmu.mak
index 8ede8d5..0a8194a 100644
--- a/default-configs/moxie-softmmu.mak
+++ b/default-configs/moxie-softmmu.mak
@@ -1 +1,4 @@
 # Default configuration for moxie-softmmu
+
+CONFIG_SERIAL=y
+CONFIG_VGA=y