add empty drm_of.h for 5.15.61 drm_bridge.c

diff --git a/sys/dev/pci/drm/include/drm/drm_of.h b/sys/dev/pci/drm/include/drm/drm_of.h
new file mode 100644 (file)
index 0000000..d2ce8c4
--- /dev/null
+++ b/sys/dev/pci/drm/include/drm/drm_of.h
@@ -0,0 +1 @@
+/* Public domain. */