ARM: dts: at91: Fix a typo

s/conlicts/conflicts/

Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20210318095237.28436-1-unixbhaskar@gmail.com