l downscaling done through MANAGERi

Based on the usecase, core clk can be increased or decreased at runtime
to save power. Such mechanism are not yet implemented. Hence, we set the
core clock divisor to 1, to support maximum range of resolutions
------------------------------------------------------------------------

Signed-off-by: Raghuveer Murthy <raghuveer.murthy@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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