device create: char: convert device_create_drvdata to device_create

Now that device_create() has been audited, rename things back to the
original call to be sane.

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

diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c
index ca7c72a..85832ab 100644
--- a/drivers/char/dsp56k.c
+++ b/drivers/char/dsp56k.c
@@ -508,8 +508,8 @@
 		err = PTR_ERR(dsp56k_class);
 		goto out_chrdev;
 	}
-	device_create_drvdata(dsp56k_class, NULL, MKDEV(DSP56K_MAJOR, 0),
-			      NULL, "dsp56k");
+	device_create(dsp56k_class, NULL, MKDEV(DSP56K_MAJOR, 0), NULL,
+		      "dsp56k");
 
 	printk(banner);
 	goto out;