drm/i915/cx0: Pass crtc_state to intel_c20_compute_hdmi_tmds_pll()

drm/i915/cx0: Pass crtc_state to intel_c20_compute_hdmi_tmds_pll()

The variable crtc_state already contains everything that
intel_c20_compute_hdmi_tmds_pll() needs. Simplify the function's
signature by passing that struct instead of separate variables.

Suggested-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241023153352.144146-2-gustavo.sousa@intel.com