arm64: dts: mt8183: Update disp_aal node compatible

The driver data of MT8183 and MT8173 are different.
The value of has_gamma for MT8173 is true while the value of MT8183 is
false. Therefore, the compatible of disp_aal for MT8183 is not suitable
for the compatible for MT8173.

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220411035843.19847-3-rex-bc.chen@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>