drm/i915/cx0: Add MTL+ .update_dpll_ref_clks hook
Add .update_dpll_ref_clks function pointer to MTL+
platforms to support dpll framework. Reuse ICL
function pointer.
Signed-off-by: Mika Kahola <mika.kahola@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/20251117104602.2363671-23-mika.kahola@intel.com