added public getToolsDefArchNames which will return a space separated string of architectures defined in the tools definition file.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1603 6f19259b-4bc3-4df7-8a09-765794883524

Tools/Source/FrameworkWizard/src/org/tianocore/frameworkwizard/toolchain/ToolChainId.java

@@ -143,6 +143,10 @@ public class ToolChainId {
         return toolCommandCodes;
     }
     
+    public String getToolsDefArchNames() {
+        return toolsDefArchNames;
+    }
+    
     private void readTargetTxtFile() {
         File tFile = new File(strTargetFile);