clk: mediatek: reset: Add infra_ao reset support for MT8186

The infra_ao reset is needed for MT8186.
- Add mtk_clk_rst_desc for MT8186.
- Add register reset controller function for MT8186 infra_ao.
- Add infra_ao_idx_map for MT8186.

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
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/20220523093346.28493-20-rex-bc.chen@mediatek.com


Signed-off-by: Stephen Boyd <sboyd@kernel.org>