gpu: host1x: Fix a couple of checkpatch warnings

Fix a couple of occurrences where no blank line was used to separate
variable declarations from code or where block comments were wrongly
formatted.

Signed-off-by: Thierry Reding <treding@nvidia.com>
diff --git a/drivers/gpu/host1x/intr.c b/drivers/gpu/host1x/intr.c
index c85ca44..a04d104 100644
--- a/drivers/gpu/host1x/intr.c
+++ b/drivers/gpu/host1x/intr.c
@@ -122,12 +122,14 @@
 static void action_wakeup(struct host1x_waitlist *waiter)
 {
 	wait_queue_head_t *wq = waiter->data;
+
 	wake_up(wq);
 }
 
 static void action_wakeup_interruptible(struct host1x_waitlist *waiter)
 {
 	wait_queue_head_t *wq = waiter->data;
+
 	wake_up_interruptible(wq);
 }