memory: mtk-smi: mt8195: Add initial setting for smi-common

To improve the performance, add initial setting for smi-common.
some register use some fix setting(suggested from DE).

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Link: https://lore.kernel.org/r/20210914113703.31466-12-yong.wu@mediatek.com


Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>