openbsd_network: Additions needed by newer WiFi drivers and stack.

src/libs/compat/openbsd_network/compat/machine/bus.h

@@ -12,6 +12,7 @@
 
 #define	BUS_DMA_READ		(BUS_DMA_NOWRITE)
 #define	BUS_DMA_WRITE		(0)
+#define	BUS_DMA_64BIT		(0) /* TODO */
 
 struct bus_dmamap_obsd {
 	bus_dma_tag_t _dmat;

src/libs/compat/openbsd_network/compat/sys/timeout.h

@@ -22,6 +22,13 @@ timeout_set(struct timeout *to, void (*fn)(void *), void *arg)
 }
 
 
+static inline int
+timeout_initialized(struct timeout *to)
+{
+	return to->c.c_due >= 0;
+}
+
+
 static inline int
 timeout_pending(struct timeout *to)
 {