Add Paul Parsons as maintainer for pxa/hx4700.
Also, add a mailing list and update the files.
Signed-off-by: NPhilipp Zabel <philipp.zabel@gmail.com>
Acked-by: NPaul Parsons <lost.distance@yahoo.com>
Signed-off-by: NHaojian Zhuang <haojian.zhuang@gmail.com>