drm/i915/cx0: Add MTL+ .crtc_get_dpll hook
Add .crtc_get_dpll function pointer to support MTL+
platforms.
Signed-off-by: Mika Kahola <mika.kahola@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/20251117104602.2363671-28-mika.kahola@intel.com