power: wl_blocker: fix permissions for version_show

Use only read permissions for version_show.

Signed-off-by: Denis Efremov <efremov@linux.com>
Signed-off-by: engstk <eng.stk@sapo.pt>
Signed-off-by: Little-W <1405481963@qq.com>

drivers/base/power/boeffla_wl_blocker.c

@@ -172,10 +172,10 @@ static ssize_t version_show(struct device *dev, struct device_attribute *attr, c
 /*****************************************/
 
 // define objects
-static DEVICE_ATTR(wakelock_blocker, 0644, wakelock_blocker_show, wakelock_blocker_store);
-static DEVICE_ATTR(wakelock_blocker_default, 0644, wakelock_blocker_default_show, wakelock_blocker_default_store);
-static DEVICE_ATTR(debug, 0664, debug_show, debug_store);
-static DEVICE_ATTR(version, 0664, version_show, NULL);
+static DEVICE_ATTR_RW(wakelock_blocker);
+static DEVICE_ATTR_RW(wakelock_blocker_default);
+static DEVICE_ATTR_RW(debug);
+static DEVICE_ATTR_RO(version);
 
 // define attributes
 static struct attribute *boeffla_wl_blocker_attributes[] = {