speakup: fix incorrect perms on speakup_acntsa.c

22c9bcad85 contained a bad
substitution for ROOT_W => S_IRUSR|S_IRUGO instead of
S_IWUSR|S_IRUGO.

Fixes: 22c9bcad85
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

drivers/staging/speakup/speakup_acntsa.c

@@ -60,15 +60,15 @@ static struct kobj_attribute vol_attribute =
 	__ATTR(vol, S_IWUGO|S_IRUGO, spk_var_show, spk_var_store);
 
 static struct kobj_attribute delay_time_attribute =
-	__ATTR(delay_time, S_IRUSR|S_IRUGO, spk_var_show, spk_var_store);
+	__ATTR(delay_time, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
 static struct kobj_attribute direct_attribute =
 	__ATTR(direct, S_IWUGO|S_IRUGO, spk_var_show, spk_var_store);
 static struct kobj_attribute full_time_attribute =
-	__ATTR(full_time, S_IRUSR|S_IRUGO, spk_var_show, spk_var_store);
+	__ATTR(full_time, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
 static struct kobj_attribute jiffy_delta_attribute =
-	__ATTR(jiffy_delta, S_IRUSR|S_IRUGO, spk_var_show, spk_var_store);
+	__ATTR(jiffy_delta, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
 static struct kobj_attribute trigger_time_attribute =
-	__ATTR(trigger_time, S_IRUSR|S_IRUGO, spk_var_show, spk_var_store);
+	__ATTR(trigger_time, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
 
 /*
  * Create a group of attributes so that we can create and destroy them all