drm/i915/display: Add function to configure LFPS sending

drm/i915/display: Add function to configure LFPS sending

Add function to configre LFPS sending for Panel Replay according to link
training sequence in HAS document.

This assumes we are using AUX Less always if it's supported by the sink and
the source.

v2:
  - drop HAS reference
  - replay kerneldoc comment with a generic comment
  - check display version in intel_lnl_mac_transmit_lfps

Bspec: 68849
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://lore.kernel.org/r/20250526120512.1702815-11-jouni.hogander@intel.com