staging: vc04_services: Use ARRAY_SIZE macro

Use ARRAY_SIZE to calculate the size of an array.
The semantic patch used can be found here:
https://github.com/coccinelle/coccinellery/blob/master/arraysize/array.cocciSigned-off-by: Gargi Sharma <gs051095@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_debugfs.c

@@ -81,9 +81,7 @@ static struct vchiq_debugfs_log_entry vchiq_debugfs_log_entries[] = {
 	{ "susp", &vchiq_susp_log_level },
 	{ "arm",  &vchiq_arm_log_level },
 };
-static int n_log_entries =
-	sizeof(vchiq_debugfs_log_entries)/sizeof(vchiq_debugfs_log_entries[0]);
-
+static int n_log_entries = ARRAY_SIZE(vchiq_debugfs_log_entries);
 
 static struct dentry *vchiq_clients_top(void);
 static struct dentry *vchiq_debugfs_top(void);