drm/i915/display: Add WA_14018221282

It was observed that the first write to DKL PHY DP Mode
register was not taking effect, hence rewrite this register.

v2: Rename function [Mitul]
v3: Rename function [Jani]
v4: Add check for display ver 13 [Matt]

Co-developed-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: Nemesa Garg <nemesa.garg@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241226060632.213790-1-nemesa.garg@intel.com