put the 4 ssl libraries into a ssl submenu (#5156)

SVN-Revision: 16090

package/openssl/Makefile

@@ -37,6 +37,7 @@ endef
 define Package/libopenssl
 $(call Package/openssl/Default)
   SECTION:=libs
+  SUBMENU:=SSL
   CATEGORY:=Libraries
   DEPENDS:=+zlib
   TITLE+= (libraries)