drm/i915/display/adlp: Update eDP voltage swing table

Up to now alderlake-p was using the same eDP voltage swing table for
frequencies up to HBR2 as icelake but now it has its own table.

BSpec: 49291
Cc: Clinton A Taylor <clinton.a.taylor@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220314152753.85081-1-jose.souza@intel.com