package: move java packages to package/java sub directory

package/Config.in

@@ -457,17 +457,8 @@ source "package/libxslt/Config.in"
 source "package/xerces/Config.in"
 endif
 
-menuconfig BR2_JAVA_SUPPORT
+# java support
-        bool "Java"
+source "package/java/Config.in"
-        default y
-        help
-          Support java programs (classpath, vm, osgi)
-
-if BR2_JAVA_SUPPORT
-source "package/classpath/Config.in"
-source "package/jamvm/Config.in"
-source "package/concierge/Config.in"
-endif
 
 menuconfig BR2_GAMES
 	bool "Games"

package/java/Config.in

@@ -0,0 +1,11 @@
+menuconfig BR2_JAVA_SUPPORT
+        bool "Java"
+        default y
+        help
+          Support java programs (classpath, vm, osgi)
+
+if BR2_JAVA_SUPPORT
+source "package/java/classpath/Config.in"
+source "package/java/jamvm/Config.in"
+source "package/java/concierge/Config.in"
+endif

package/java/java.mk

@@ -0,0 +1 @@
+include package/java/*/*.mk