drm/vc4: Bind and initialize the V3D engine.

This is the component of the GPU that does 3D rendering.

Signed-off-by: Eric Anholt <eric@anholt.net>
diff --git a/drivers/gpu/drm/vc4/Makefile b/drivers/gpu/drm/vc4/Makefile
index eb776a6..e87a6f2 100644
--- a/drivers/gpu/drm/vc4/Makefile
+++ b/drivers/gpu/drm/vc4/Makefile
@@ -11,6 +11,7 @@
 	vc4_hdmi.o \
 	vc4_hvs.o \
 	vc4_plane.o \
+	vc4_v3d.o \
 	vc4_validate_shaders.o
 
 vc4-$(CONFIG_DEBUG_FS) += vc4_debugfs.o