dca: Move data tables from a header to an object file

This allows sharing them with the DCA XLL extension w/o duplication.

libavcodec/Makefile

@@ -157,7 +157,8 @@ OBJS-$(CONFIG_COMFORTNOISE_ENCODER)    += cngenc.o
 OBJS-$(CONFIG_CSCD_DECODER)            += cscd.o
 OBJS-$(CONFIG_CYUV_DECODER)            += cyuv.o
 OBJS-$(CONFIG_DCA_DECODER)             += dcadec.o dca.o dcadsp.o      \
-                                          dca_exss.o synth_filter.o
+                                          dcadata.o dca_exss.o         \
+                                          synth_filter.o
 OBJS-$(CONFIG_DFA_DECODER)             += dfa.o
 OBJS-$(CONFIG_DNXHD_DECODER)           += dnxhddec.o dnxhddata.o
 OBJS-$(CONFIG_DNXHD_ENCODER)           += dnxhdenc.o dnxhddata.o