package/python3: change BR2_PACKAGE_PYTHON_PYEXPAT description

This patch changes BR2_PACKAGE_PYTHON3_PYEXPAT description and
help text to underline that all the xml libraries will be
included in python.
It also reorders alphabetically the affected option.

Signed-off-by: Angelo Compagnucci <angelo.compagnucci@gmail.com>
Reviewed-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/python3/Config.in

@@ -66,12 +66,6 @@ config BR2_PACKAGE_PYTHON3_OSSAUDIODEV
 	help
 	  ossaudiodev module for Python3.
 
-config BR2_PACKAGE_PYTHON3_PYEXPAT
-	select BR2_PACKAGE_EXPAT
-	bool "pyexpat"
-	help
-	  pyexpat module for Python3.
-
 config BR2_PACKAGE_PYTHON3_READLINE
 	select BR2_PACKAGE_READLINE
 	bool "readline"
@@ -97,6 +91,12 @@ config BR2_PACKAGE_PYTHON3_SQLITE
 	help
 	  SQLite database support
 
+config BR2_PACKAGE_PYTHON3_PYEXPAT
+	select BR2_PACKAGE_EXPAT
+	bool "xml module"
+	help
+	  pyexpat and xml libraries for Python3.
+
 config BR2_PACKAGE_PYTHON3_ZLIB
 	bool "zlib module"
 	select BR2_PACKAGE_ZLIB