drm/i915: Make intel_pipe_has_type() and some callers take intel_crtc

For consistency, since that's the rule followed for internal functions.

Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>