BACKPORT: dt-bindings: memory: mtk-smi: Rename clock to clocks

The property "clock" should be rename to "clocks", and delete the "items",
the minItems/maxItems should not be put under "items".

Bug: 254441685
Fixes: 27bb0e42 ("dt-bindings: memory: mediatek: Convert SMI to DT schema")
Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Acked-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220113111057.29918-2-yong.wu@mediatek.com


Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
(cherry picked from commit 5bf7fa48)
Signed-off-by: Lee Jones <joneslee@google.com>
Change-Id: I610038abd7ca76fa3950268a5ae870db5ea1025a