Powersave support on PA6T. Right now it only uses 'doze' mode, and
will default to no savings (spin).
Signed-off-by: NOlof Johansson <olof@lixom.net>
Acked-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NPaul Mackerras <paulus@samba.org>