Add 4.10 and 5.2.1 entries so that pkg_add -r fetches from the right package sets.
Add 4.10 and 5.2.1 entries so that pkg_add -r fetches from the right
package sets.

PR:		66251
Submitted by:	eik

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase