gpu: host1x: export host1x_syncpt_incr_max() function

Tegra V4L2 camera driver needs this function to do frame capture.

Signed-off-by: Bryan Wu <pengw@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
diff --git a/drivers/gpu/host1x/syncpt.c b/drivers/gpu/host1x/syncpt.c
index bfb09d8..b10550e 100644
--- a/drivers/gpu/host1x/syncpt.c
+++ b/drivers/gpu/host1x/syncpt.c
@@ -102,6 +102,7 @@
 {
 	return (u32)atomic_add_return(incrs, &sp->max_val);
 }
+EXPORT_SYMBOL(host1x_syncpt_incr_max);
 
  /*
  * Write cached syncpoint and waitbase values to hardware.