drm/i915/wm: remove display/ prefix from include

Remove the leftover from moving and renaming the file from driver top
level.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/f11cbbdb5a5c8961fcae0b3f6c87860ee00f8c26.1677678803.git.jani.nikula@intel.com

drivers/gpu/drm/i915/display/intel_wm_types.h

@@ -8,7 +8,7 @@
 
 #include <linux/types.h>
 
-#include "display/intel_display_limits.h"
+#include "intel_display_limits.h"
 
 enum intel_ddb_partitioning {
 	INTEL_DDB_PART_1_2,