new -t option documented for python scripts

boards/uniboard2/designs/unb2_minimal/doc/README

@@ -4,8 +4,8 @@ Quick steps to compile and use design [unb2_minimal] in RadionHDL
 
 
 Start with the Oneclick Commands:
-    python $RADIOHDL/tools/oneclick/base/modelsim_config.py -t ip_arria10
-    python $RADIOHDL/tools/oneclick/base/quartus_config.py -t ip_arria10
+    python $RADIOHDL/tools/oneclick/base/modelsim_config.py -t unb2
+    python $RADIOHDL/tools/oneclick/base/quartus_config.py -t unb2
 
 Generate MMM for QSYS:
     run_qsys unb2 unb2_minimal