ray_cs: use true,false for bool variable

Fix the following coccicheck warning:

drivers/net/wireless/ray_cs.c:2797:5-14: WARNING: Comparison of 0/1 to
bool variable
drivers/net/wireless/ray_cs.c:2798:2-11: WARNING: Assignment of 0/1 to
bool variable
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200426103709.6730-1-yanaijie@huawei.com

drivers/net/wireless/ray_cs.c

@@ -2794,8 +2794,7 @@ static int __init init_ray_cs(void)
 	proc_create_data("driver/ray_cs/translate", 0200, NULL, &int_proc_ops,
 			 &translate);
 #endif
-	if (translate != 0)
-		translate = 1;
+	translate = !!translate;
 	return 0;
 } /* init_ray_cs */