drm/print: Add missing [drm] prefix to drm based WARN

All drm_device based logging macros, except those related to WARN,
include the [drm] prefix. Fix that.

  [ ] 0000:00:00.0: this is a warning
  [ ] 0000:00:00.0: drm_WARN_ON(true)
vs
  [ ] 0000:00:00.0: [drm] this is a warning
  [ ] 0000:00:00.0: [drm] drm_WARN_ON(true)
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240523174429.800-1-michal.wajdeczko@intel.comSigned-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

include/drm/drm_print.h

@@ -632,12 +632,12 @@ void __drm_err(const char *format, ...);
 
 /* Helper for struct drm_device based WARNs */
 #define drm_WARN(drm, condition, format, arg...)			\
-	WARN(condition, "%s %s: " format,				\
+	WARN(condition, "%s %s: [drm] " format,				\
 			dev_driver_string((drm)->dev),			\
 			dev_name((drm)->dev), ## arg)
 
 #define drm_WARN_ONCE(drm, condition, format, arg...)			\
-	WARN_ONCE(condition, "%s %s: " format,				\
+	WARN_ONCE(condition, "%s %s: [drm] " format,			\
 			dev_driver_string((drm)->dev),			\
 			dev_name((drm)->dev), ## arg)