soc: TI knav_qmss: make symbol 'knav_acc_range_ops' static

The sparse tool complains as follows:

drivers/soc/ti/knav_qmss_acc.c:453:23: warning:
 symbol 'knav_acc_range_ops' was not declared. Should it be static?

'knav_acc_range_ops' is not used outside of knav_qmss_acc.c,
so marks it static.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>

drivers/soc/ti/knav_qmss_acc.c

@@ -450,7 +450,7 @@ static int knav_acc_free_range(struct knav_range_info *range)
 	return 0;
 }
 
-struct knav_range_ops knav_acc_range_ops = {
+static struct knav_range_ops knav_acc_range_ops = {
 	.set_notify	= knav_acc_set_notify,
 	.init_queue	= knav_acc_init_queue,
 	.open_queue	= knav_acc_open_queue,