arm64: dts: mediatek: mt8395-nio-12l: Add scp firmware-name

arm64: dts: mediatek: mt8395-nio-12l: Add scp firmware-name

Set the scp firmware name to the default location.

Fixes: 96564b1e2ea4 ("arm64: dts: mediatek: Introduce the MT8395 Radxa NIO 12L board")
Signed-off-by: Julien Massot <julien.massot@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20250404-mt8395-scp-fw-v1-1-bb8f20cd399d@collabora.com
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>