sc: add back lost scopencl

Probably removed by accident in
96475ada3fcf026ae7833824a056b642c1bd1864. Fixes:

/master/solenv/gbuild/Package.mk:35: *** gb_Deliver_deliver: file does
not exist in instdir, and cannot be delivered:
/master/instdir/program/libscopencllo.so.  Stop.

Change-Id: Iaee25ac7b21c0f1d5c4ee9eba3b34cff5e65843c