au6601: make sure response type is correct

still no idea if CMD12 is ok

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

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

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

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

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