staging: ccree: remove unnecessary cast on kmalloc

The assignment operator implicitly converts a void pointer to the type of the
pointer it is assigned to.

This issue was detected using Coccinelle and the following semantic patch:

@@
expression * e;
expression arg1, arg2;
type T;
@@

- e=(T*)
+ e=
kmalloc(arg1, arg2);
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Acked-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/ccree/ssi_buffer_mgr.c

@@ -1725,8 +1725,7 @@ int ssi_buffer_mgr_init(struct ssi_drvdata *drvdata)
 	struct buff_mgr_handle *buff_mgr_handle;
 	struct device *dev = &drvdata->plat_dev->dev;
 
-	buff_mgr_handle = (struct buff_mgr_handle *)
-		kmalloc(sizeof(struct buff_mgr_handle), GFP_KERNEL);
+	buff_mgr_handle = kmalloc(sizeof(struct buff_mgr_handle), GFP_KERNEL);
 	if (!buff_mgr_handle)
 		return -ENOMEM;