drm/vc4: crtc: Add HDMI1 encoder type

The BCM2711 sports a second HDMI controller, so let's add that second HDMI
encoder type.
Signed-off-by: NMaxime Ripard <maxime@cerno.tech>
Tested-by: NChanwoo Choi <cw00.choi@samsung.com>
Tested-by: NHoegeun Kwon <hoegeun.kwon@samsung.com>
Tested-by: NStefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: NEric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/6ba56d2421a4ad59ce72178e8f37eacfbd72cb33.1599120059.git-series.maxime@cerno.tech

drivers/gpu/drm/vc4/vc4_drv.h

@@ -427,6 +427,7 @@ to_vc4_plane_state(struct drm_plane_state *state)
 enum vc4_encoder_type {
 	VC4_ENCODER_TYPE_NONE,
 	VC4_ENCODER_TYPE_HDMI0,
+	VC4_ENCODER_TYPE_HDMI1,
 	VC4_ENCODER_TYPE_VEC,
 	VC4_ENCODER_TYPE_DSI0,
 	VC4_ENCODER_TYPE_DSI1,