dt-bindings: reset: mediatek: Add infra_ao reset index for MT8186

To support reset of infra_ao, add the index of infra_ao reset of
thermal/svs for MT8186.

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220523093346.28493-18-rex-bc.chen@mediatek.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

dt-bindings: reset: mt8186: add reset-controller header file

1. Add toprgu reset-controller header file for MT8186.
2. Add DSI software reset bit which is controlled in MMSYS for MT8186.

Signed-off-by: Runyang Chen <runyang.chen@mediatek.com>
Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20220301054405.25021-3-rex-bc.chen@mediatek.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>