the rest of drivers/*: annotate ->poll() instances

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/drivers/misc/hpilo.c b/drivers/misc/hpilo.c
index 097e309..95ce3e8 100644
--- a/drivers/misc/hpilo.c
+++ b/drivers/misc/hpilo.c
@@ -514,7 +514,7 @@ static ssize_t ilo_write(struct file *fp, const char __user *buf,
 	return err ? -EFAULT : len;
 }
 
-static unsigned int ilo_poll(struct file *fp, poll_table *wait)
+static __poll_t ilo_poll(struct file *fp, poll_table *wait)
 {
 	struct ccb_data *data = fp->private_data;
 	struct ccb *driver_ccb = &data->driver_ccb;