bxe: fake out if_setflags/if_getflags

Signed-off-by: Ron Minnich <rminnich@gmail.com>

kern/drivers/net/bxe/bxe.h

diff --git a/kern/drivers/net/bxe/bxe.h b/kern/drivers/net/bxe/bxe.h
index f9e2cbe..93c4061 100644
--- a/kern/drivers/net/bxe/bxe.h
+++ b/kern/drivers/net/bxe/bxe.h
@@ -69,6 +69,10 @@
 #define bus_dmamap_sync(...)
 #define bus_dmamap_unload(...)
 
+// All the flag values are wrong for now; ignore them.
+#define if_getflags(netif) (netif)->feat
+#define if_setflags(sc)
+
 /* FreeBSD x86/include/bus.h
  * Bus read/write barrier methods.
  *