[U-Boot] atngw100: convert to generic board

[Andreas Bießmann]

Dear =?utf-8?q?Andreas_Bie=C3=9Fmann?=,

Andreas Devel <andreas.devel at googlemail.com> writes:
>Signed-off-by: Andreas Bießmann <andreas.devel at googlemail.com>
>---
>Tested on an atngw100 thankfully provided by Waldemar. Thus
>http://patchwork.ozlabs.org/patch/470705/ is not required.
>
> include/configs/atngw100.h |    4 ++++
> 1 file changed, 4 insertions(+)

applied to u-boot-avr32/master, thanks!

Best regards,
Andreas Bießmann