[U-Boot] [U-Boot,4/4] gpio: atmel: add copyright and remove error header info

[Andreas Bießmann]

Dear Bo Shen,

Bo Shen <voice.shen at atmel.com> writes:
>Signed-off-by: Bo Shen <voice.shen at atmel.com>
>Acked-by: Jens Scharsig <js_at_ng at scharsoft.de>
>
>---
>drivers/gpio/at91_gpio.c |    2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

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

Best regards,
Andreas Bießmann