integrating MPV_common_init_bfin into the build system and mpegvideo.c

Originally committed as revision 9294 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/Makefile

@@ -402,6 +402,7 @@ OBJS-$(CONFIG_WMV3_DECODER)            += ppc/vc1dsp_altivec.o
 endif
 
 OBJS-$(TARGET_ARCH_BFIN)               += bfin/dsputil_bfin.o \
+                                          bfin/mpegvideo_bfin.o \
 
 ASM_OBJS-$(TARGET_ARCH_BFIN)           += bfin/pixels_bfin.o \
                                           bfin/idct_bfin.o   \

libavcodec/mpegvideo.c

@@ -295,6 +295,9 @@ int DCT_common_init(MpegEncContext *s)
 #ifdef ARCH_POWERPC
     MPV_common_init_ppc(s);
 #endif
+#ifdef ARCH_BFIN
+    MPV_common_init_bfin(s);
+#endif
 
 #ifdef CONFIG_ENCODERS
     s->fast_dct_quantize= s->dct_quantize;