cpc925_edac: Use proper array termination

The struct should be terminated by using empty braces in order to
fix the following sparse warning.

drivers/edac/cpc925_edac.c:792:10: warning: Using plain integer as NULL pointer

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
[ drop obvious comment ]
Signed-off-by: Borislav Petkov <bp@suse.de>
diff --git a/drivers/edac/cpc925_edac.c b/drivers/edac/cpc925_edac.c
index 7f3c571..df6575f 100644
--- a/drivers/edac/cpc925_edac.c
+++ b/drivers/edac/cpc925_edac.c
@@ -789,7 +789,7 @@
 	.exit = cpc925_htlink_exit,
 	.check = cpc925_htlink_check,
 	},
-	{0}, /* Terminated by NULL */
+	{ }
 };
 
 /*