drm/i915/panelreplay: Enable panel replay dpcd initialization for DP

Due to similarity panel replay dpcd initialization got added in psr
function which is specific for edp panel. This patch enables panel
replay initialization for dp connector.

Cc: Jouni Högander <jouni.hogander@intel.com>
Cc: Arun R Murthy <arun.r.murthy@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231108072303.3414118-5-animesh.manna@intel.com

drivers/gpu/drm/i915/display/intel_psr.c

@@ -2794,6 +2794,9 @@ void intel_psr_init(struct intel_dp *intel_dp)
 	if (!(HAS_PSR(dev_priv) || HAS_DP20(dev_priv)))
 		return;
 
+	if (!intel_dp_is_edp(intel_dp))
+		intel_psr_init_dpcd(intel_dp);
+
 	/*
 	 * HSW spec explicitly says PSR is tied to port A.
 	 * BDW+ platforms have a instance of PSR registers per transcoder but