Add bootindex parameter to net/block/fd device

If bootindex is specified on command line a string that describes device
in firmware readable way is added into sorted list. Later this list will
be passed into firmware to control boot order.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
diff --git a/hw/pcnet.c b/hw/pcnet.c
index 37010b8..db52dc5 100644
--- a/hw/pcnet.c
+++ b/hw/pcnet.c
@@ -39,6 +39,7 @@
 #include "net.h"
 #include "qemu-timer.h"
 #include "qemu_socket.h"
+#include "sysemu.h"
 
 #include "pcnet.h"
 
@@ -1740,5 +1741,8 @@
     qemu_macaddr_default_if_unset(&s->conf.macaddr);
     s->nic = qemu_new_nic(info, &s->conf, dev->info->name, dev->id, s);
     qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
+
+    add_boot_device_path(s->conf.bootindex, dev, "/ethernet-phy@0");
+
     return 0;
 }