science/paraview: mark BROKEN on arm64

/usr/local/bin/ld:
/wrkdirs/usr/ports/science/paraview/work/.build/lib/libvtkxdmf2-pv5.10.so.1:
undefined reference to `sbrk'
c++: error: linker command failed with exit code 1 (use -v to see invocation)
*** [bin/pvserver] Error code 1

Reported by:	pkg-fallout