au6601: enable reg_snap. and card tasklet

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
au6601: fix some timeout issues and start data experement

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
au6601:..

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
au6601: initial working state

it is slow, but it is working

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>