- Add a DEVMETHOD_END alias for KOBJMETHOD_END so that along with 'driver_t'

and DEVMETHOD() we can fully hide the explicit mention of kobj(9) from
  device drivers.
- Update the example in driver.9 to use DEVMETHOD_END.

Submitted by:	jhb
MFC after:	3 days

share/man/man9/driver.9

@@ -28,7 +28,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd March 3, 2010
+.Dd November 22, 2011
 .Dt DRIVER 9
 .Os
 .Sh NAME
@@ -58,7 +58,7 @@ static device_method_t foo_methods[] = {
 	DEVMETHOD(bogo_twiddle,		foo_twiddle),
 
 	/* Terminate method list */
-	{ 0, 0 }
+	DEVMETHOD_END
 };
 
 static driver_t foo_driver = {

sys/sys/bus.h

@@ -571,9 +571,10 @@ extern int bus_current_pass;
 void	bus_set_pass(int pass);
 
 /**
- * Shorthand for constructing method tables.
+ * Shorthands for constructing method tables.
  */
 #define	DEVMETHOD	KOBJMETHOD
+#define	DEVMETHOD_END	KOBJMETHOD_END
 
 /*
  * Some common device interfaces.