dt-bindings: soc: mediatek: pwrap: Add compatible for MT8189 SoC
Add compatible string for the PWRAP block on MT8189 SoC, which is
compatible with the one used on MT8195.
Signed-off-by: Louis-Alexis Eyraud <louisalexis.eyraud@collabora.com> Acked-by: Conor Dooley <conor.dooley@microchip.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>