fate: add a fate-filter-framepack rule

tests/fate/filter-video.mak

@@ -55,12 +55,14 @@ FATE_FILTER_VSYNTH-$(call ALLYES, INTERLACE_FILTER FIELDORDER_FILTER) += fate-fi
 fate-filter-fieldorder: CMD = framecrc -c:v pgmyuv -i $(SRC) -vf interlace=tff,fieldorder=bff -sws_flags +accurate_rnd+bitexact
 
 define FATE_FPFILTER_SUITE
-FATE_FILTER_VSYNTH-$(CONFIG_FRAMEPACK_FILTER) += fate-filter-framepack-$(1)
+FATE_FILTER_FRAMEPACK += fate-filter-framepack-$(1)
 fate-filter-framepack-$(1): CMD = framecrc -c:v pgmyuv -i $(TARGET_PATH)/tests/vsynth1/%02d.pgm -c:v pgmyuv -i $(TARGET_PATH)/tests/vsynth1/%02d.pgm -filter_complex framepack=$(1) -frames 15
 endef
 
 FPMODES = columns frameseq lines sbs tab
 $(foreach MODE,$(FPMODES),$(eval $(call FATE_FPFILTER_SUITE,$(MODE))))
+FATE_FILTER_VSYNTH-$(CONFIG_FRAMEPACK_FILTER) += $(FATE_FILTER_FRAMEPACK)
+fate-filter-framepack: $(FATE_FILTER_FRAMEPACK)
 
 FATE_FILTER_VSYNTH-$(CONFIG_GRADFUN_FILTER) += fate-filter-gradfun
 fate-filter-gradfun: CMD = framecrc -c:v pgmyuv -i $(SRC) -vf gradfun