Driver core: remove subsys_set_kset

This macro is only used by the driver core and is held over from when we
had subsystems.  It is not needed anymore.


Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/base/class.c b/drivers/base/class.c
index ecd6336..cf9cf66 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -149,7 +149,7 @@
 	if (error)
 		return error;
 
-	subsys_set_kset(cls, class_subsys);
+	cls->subsys.kobj.kset = &class_subsys;
 
 	error = subsystem_register(&cls->subsys);
 	if (!error) {