qed: remove cast to pointers passed to kfree

Remove unnecessary casts to pointer types passed to kfree.
Issue detected by coccinelle:
@@
type t1;
expression *e;
@@

-kfree((t1 *)e);
+kfree(e);

Signed-off-by: Chen Ni <[e-mail]>
Reviewed-by: Michal Kubiak <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Paolo Abeni <[e-mail]>

drivers/net/ethernet/qlogic/qed/qed_main.c

···
 
 static void qed_free_cdev(struct qed_dev *cdev)
 {
-	kfree((void *)cdev);
+	kfree(cdev);
 }
 
 static struct qed_dev *qed_alloc_cdev(struct pci_dev *pdev)