drm/i915: Use for_each_intel_crtc_in_pipe_mask() more

Convert a few hand roller for_each_intel_crtc_in_pipe_mask()
to the real thing.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220203183823.22890-9-ville.syrjala@linux.intel.com


Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>