Driver core: add const to class_create

Adds const to class_create second parameter, because:

struct class {
	const char * name;

	/*...*/
}

Signed-off-by: Miguel Ojeda Sandonis <maxextreme@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/base/class.c b/drivers/base/class.c
index 75057aa..e078bc2 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -197,7 +197,7 @@
  * Note, the pointer created here is to be destroyed when finished by
  * making a call to class_destroy().
  */
-struct class *class_create(struct module *owner, char *name)
+struct class *class_create(struct module *owner, const char *name)
 {
 	struct class *cls;
 	int retval;