configure: explicitly list videotoolbox deps for avutil

There's a bug in configure where they are not being resolved right,
so make them explicit deps for avutil for now.

configure

@@ -3341,7 +3341,7 @@ avformat_deps="avcodec avutil"
 avformat_suggest="libm network"
 avresample_deps="avutil"
 avresample_suggest="libm"
-avutil_suggest="clock_gettime libm libdrm libmfx opencl user32 vaapi videotoolbox wincrypt"
+avutil_suggest="clock_gettime libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia wincrypt"
 postproc_deps="avutil gpl"
 postproc_suggest="libm"
 swresample_deps="avutil"