clk: mediatek: Remove CLK_SET_PARENT from all MSDC core clocks

clk: mediatek: Remove CLK_SET_PARENT from all MSDC core clocks

Various MSDC core clocks, used for multiple MSDC controller instances,
share the same parent(s): in order to add parents selection in the
mtk-sd driver to achieve an accurate clock rate for all modes, remove
the CLK_SET_RATE_PARENT flag from all MSDC clocks for all SoCs: this
will make sure that a clk_set_rate() call performed for a clock on
a secondary controller will not change the rate of a common parent,
which would result in an overclock or underclock of one of the
controllers.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Markus Schneider-Pargmann <msp@baylibre.com>
Link: https://lore.kernel.org/r/20230516135205.372951-3-angelogioacchino.delregno@collabora.com
Tested-by: Alexandre Mergnat <amergnat@baylibre.com>
Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>