unbos compile option for UNB2 is: -DCOMPILE_FOR_GEN2_UNB2

tools/quartus/run_app

@@ -99,7 +99,7 @@ for arg ; do
             userflags="-DCOMPILE_FOR_QSYS"
             ;;
         use=gen2)
-            userflags="-DCOMPILE_FOR_GEN2"
+            userflags="-DCOMPILE_FOR_GEN2_UNB2"
             ;;
         *=* )
             # it was an option. skip it - if we wanted to,