This fixes when configuring with CONFIG_PCI_DEVICES=n:
$ qemu-system-sh4 -M r2d
qemu-system-sh4: Unsupported NIC model: rtl8139
Fixes: 7ab58d4c84
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190316200818.8265-13-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>