The node name for flash memories has been standardized to "flash@...".
Fix the example in nuvoton,npcm-fiu.txt accordingly.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20221031222559.199509-1-j.neuschaefer@gmx.netSigned-off-by: Mark Brown <broonie@kernel.org>