intel/genxml: Migrate from deprecated xml.etree.ElementTree getchildren.
xml.etree.ElementTree getchildren was deprecated since Python 2.7 and will be removed in Python 3.9.
Signed-off-by: Vinson Lee vlee@freedesktop.org
xml.etree.ElementTree getchildren was deprecated since Python 2.7 and will be removed in Python 3.9.
Signed-off-by: Vinson Lee vlee@freedesktop.org