Darwin/aarch64: Use CNAME, restrict .size like ARM
Darwin/aarch64: Use CNAME, restrict .size like ARM

biosbits/libffi,plicease/libffi,biosbits/libffi,johne53/MB3Libffi,johne53/MB3Libffi,joshtriplett/libffi,bgarrels/libffi,Pan7/libffi,s1341/libffi,joshtriplett/libffi,plicease/libffi,nmav/libffi,joshtriplett/libffi,rth7680/libffi,rth7680/libffi,Pan7/libffi,s1341/libffi,bgarrels/libffi,rth7680/libffi,johne53/MB3Libffi,Distrotech/libffi,s1341/libffi,nmav/libffi,bgarrels/libffi,Pan7/libffi,nmav/libffi,johne53/MB3Libffi,joshtriplett/libffi,Distrotech/libffi,Pan7/libffi,biosbits/libffi,plicease/libffi,s1341/libffi,rth7680/libffi,nmav/libffi,johne53/MB3Libffi,plicease/libffi,bgarrels/libffi,biosbits/libffi,Distrotech/libffi,Distrotech/libffi