drivers: soc: ti: knav_qmss_queue: Make knav_gp_range_ops static

Fix the following sparse warning:

drivers/soc/ti/knav_qmss_queue.c:412:23: warning: symbol 'knav_gp_range_ops' was not declared.

The knav_acc_firmwares has only call site within knav_qmss_queue.c
It should be static

Fixes: 41f93af9 ("soc: ti: add Keystone Navigator QMSS driver")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Samuel Zou <zou_wei@huawei.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>

drivers/soc/ti/knav_qmss_queue.c

@@ -409,7 +409,7 @@ static int knav_gp_close_queue(struct knav_range_info *range,
 	return 0;
 }
 
-struct knav_range_ops knav_gp_range_ops = {
+static struct knav_range_ops knav_gp_range_ops = {
 	.set_notify	= knav_gp_set_notify,
 	.open_queue	= knav_gp_open_queue,
 	.close_queue	= knav_gp_close_queue,