fate/matroska: Add fate-matroska target

Reviewed-by: Ridley Combs <rcombs@rcombs.me>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>

tests/fate/matroska.mak

@@ -106,3 +106,5 @@ fate-matroska-spherical-mono: CMD = run ffprobe$(PROGSSUF)$(EXESUF) -show_entrie
 FATE_SAMPLES_AVCONV += $(FATE_MATROSKA-yes)
 FATE_SAMPLES_FFPROBE += $(FATE_MATROSKA_FFPROBE-yes)
 FATE_SAMPLES_FFMPEG_FFPROBE += $(FATE_MATROSKA_FFMPEG_FFPROBE-yes)
+
+fate-matroska: $(FATE_MATROSKA-yes) $(FATE_MATROSKA_FFPROBE-yes) $(FATE_MATROSKA_FFMPEG_FFPROBE-yes)