drm/i915: stop using is_pch_edp() in intel_dp_init_connector()
drm/i915: stop using is_pch_edp() in intel_dp_init_connector()

is_pch_edp() will be removed in a follow-up patch, so replace it
with a check for the port and VBT info (for port-D eDP).

Also make things a bit clearer by using a switch on the ports.

v2:
- make the comment about not setting the conder type for DP clearer
  (Ville)

Signed-off-by: Imre Deak <fbd5edba1988036c8923f0cca0cce6ac4811db29@intel.com>
Signed-off-by: Daniel Vetter <c1b6782c4af8f0673da8923a0702a1832e5940f4@ffwll.ch>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs