neon: use select rather than 'depends on' for xml dependencies

Similar to how we recently changed dbus. At the same time also reorder
options to put 'none' option in front (default).

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/neon/Config.in

@@ -24,27 +24,27 @@ choice
 	depends on BR2_PACKAGE_NEON
 	help
 	  Select which XML library to use...
+	  none       do not build with XML support
 	  expat      use expat
 	  libxml2    use libxml2
-	  none       do not build with XML support
+
+config BR2_PACKAGE_NEON_NOXML
+	bool "none"
+	help
+	  none       don't use XML, if this is the only option
+	             and you want XML support, you must choose
+		     XML handling below.
 
 config BR2_PACKAGE_NEON_EXPAT
 	bool "expat"
-	depends on BR2_PACKAGE_EXPAT
+	select BR2_PACKAGE_EXPAT
 	help
 	  expat      use expat, a library for parsing XML.
 
 config BR2_PACKAGE_NEON_LIBXML2
 	bool "libxml2"
-	depends on BR2_PACKAGE_LIBXML2
+	select BR2_PACKAGE_LIBXML2
 	help
 	  libxml2    use libxml2, a library to read, modify and
 	             write XML and HTML files.
-
-config BR2_PACKAGE_NEON_NOXML
-	bool "none"
-	help
-	  none       don't use XML, if this is the only option
-	             and you want XML support, you must choose
-		     XML handling below.
 endchoice