drm/bridge: Drop CONFIG_OF conditionals around of_node pointers

Having conditional around the of_node pointers turns out to make driver
code use ugly #ifdef and #if blocks. So drop the conditionals.
Suggested-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230831080938.47454-4-biju.das.jz@bp.renesas.com

drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c

@@ -1231,9 +1231,7 @@ static int anx78xx_i2c_probe(struct i2c_client *client)
 
 	mutex_init(&anx78xx->lock);
 
-#if IS_ENABLED(CONFIG_OF)
 	anx78xx->bridge.of_node = client->dev.of_node;
-#endif
 
 	anx78xx->client = client;
 	i2c_set_clientdata(client, anx78xx);

drivers/gpu/drm/bridge/panel.c

@@ -318,9 +318,7 @@ struct drm_bridge *drm_panel_bridge_add_typed(struct drm_panel *panel,
 	panel_bridge->panel = panel;
 
 	panel_bridge->bridge.funcs = &panel_bridge_bridge_funcs;
-#ifdef CONFIG_OF
 	panel_bridge->bridge.of_node = panel->dev->of_node;
-#endif
 	panel_bridge->bridge.ops = DRM_BRIDGE_OP_MODES;
 	panel_bridge->bridge.type = connector_type;
 

drivers/gpu/drm/bridge/synopsys/dw-hdmi.c

@@ -3541,9 +3541,7 @@ struct dw_hdmi *dw_hdmi_probe(struct platform_device *pdev,
 			 | DRM_BRIDGE_OP_HPD;
 	hdmi->bridge.interlace_allowed = true;
 	hdmi->bridge.ddc = hdmi->ddc;
-#ifdef CONFIG_OF
 	hdmi->bridge.of_node = pdev->dev.of_node;
-#endif
 
 	memset(&pdevinfo, 0, sizeof(pdevinfo));
 	pdevinfo.parent = dev;

drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c

@@ -1182,9 +1182,7 @@ __dw_mipi_dsi_probe(struct platform_device *pdev,
 
 	dsi->bridge.driver_private = dsi;
 	dsi->bridge.funcs = &dw_mipi_dsi_bridge_funcs;
-#ifdef CONFIG_OF
 	dsi->bridge.of_node = pdev->dev.of_node;
-#endif
 
 	return dsi;
 }