dm: define LOG_CATEGORY for all uclass

Define LOG_CATEGORY for all uclass to allow filtering with
log command.

Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/video/backlight-uclass.c b/drivers/video/backlight-uclass.c
index 0aadf8a..c14996d 100644
--- a/drivers/video/backlight-uclass.c
+++ b/drivers/video/backlight-uclass.c
@@ -4,6 +4,8 @@
  * Written by Simon Glass <sjg@chromium.org>
  */
 
+#define LOG_CATEGORY UCLASS_PANEL_BACKLIGHT
+
 #include <common.h>
 #include <dm.h>
 #include <backlight.h>
diff --git a/drivers/video/bridge/video-bridge-uclass.c b/drivers/video/bridge/video-bridge-uclass.c
index 08d38b2..f389bc6 100644
--- a/drivers/video/bridge/video-bridge-uclass.c
+++ b/drivers/video/bridge/video-bridge-uclass.c
@@ -4,6 +4,8 @@
  * Written by Simon Glass <sjg@chromium.org>
  */
 
+#define LOG_CATEGORY UCLASS_VIDEO_BRIDGE
+
 #include <common.h>
 #include <dm.h>
 #include <errno.h>
diff --git a/drivers/video/display-uclass.c b/drivers/video/display-uclass.c
index 068108e..2da3d1d 100644
--- a/drivers/video/display-uclass.c
+++ b/drivers/video/display-uclass.c
@@ -3,6 +3,8 @@
  * Copyright 2014 Google Inc.
  */
 
+#define LOG_CATEGORY UCLASS_DISPLAY
+
 #include <common.h>
 #include <dm.h>
 #include <display.h>
diff --git a/drivers/video/dsi-host-uclass.c b/drivers/video/dsi-host-uclass.c
index 1db1f88..6e5256e 100644
--- a/drivers/video/dsi-host-uclass.c
+++ b/drivers/video/dsi-host-uclass.c
@@ -5,6 +5,8 @@
  *
  */
 
+#define LOG_CATEGORY UCLASS_DSI_HOST
+
 #include <common.h>
 #include <dm.h>
 #include <dsi_host.h>
diff --git a/drivers/video/panel-uclass.c b/drivers/video/panel-uclass.c
index 246d1b2..bb2eaae 100644
--- a/drivers/video/panel-uclass.c
+++ b/drivers/video/panel-uclass.c
@@ -4,6 +4,8 @@
  * Written by Simon Glass <sjg@chromium.org>
  */
 
+#define LOG_CATEGORY UCLASS_PANEL
+
 #include <common.h>
 #include <dm.h>
 #include <panel.h>
diff --git a/drivers/video/vidconsole-uclass.c b/drivers/video/vidconsole-uclass.c
index 81b65f5..8f7d987 100644
--- a/drivers/video/vidconsole-uclass.c
+++ b/drivers/video/vidconsole-uclass.c
@@ -7,6 +7,8 @@
  * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
  */
 
+#define LOG_CATEGORY UCLASS_VIDEO_CONSOLE
+
 #include <common.h>
 #include <command.h>
 #include <console.h>
diff --git a/drivers/video/video-uclass.c b/drivers/video/video-uclass.c
index 96ec6f8..9f8cf6e 100644
--- a/drivers/video/video-uclass.c
+++ b/drivers/video/video-uclass.c
@@ -3,6 +3,8 @@
  * Copyright (c) 2015 Google, Inc
  */
 
+#define LOG_CATEGORY UCLASS_VIDEO
+
 #include <common.h>
 #include <console.h>
 #include <cpu_func.h>
diff --git a/drivers/video/video_osd-uclass.c b/drivers/video/video_osd-uclass.c
index 82136a2..0d3aae4 100644
--- a/drivers/video/video_osd-uclass.c
+++ b/drivers/video/video_osd-uclass.c
@@ -4,6 +4,8 @@
  * Mario Six,  Guntermann & Drunck GmbH, mario.six@gdsys.cc
  */
 
+#define LOG_CATEGORY UCLASS_VIDEO_OSD
+
 #include <common.h>
 #include <dm.h>
 #include <video_osd.h>