drm/i915: Use drm_rect to simplify plane {crtc,src}_{x,y,w,h} printing

Use DRM_RECT_FMT & co. to simpify the code.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191129185434.25549-2-ville.syrjala@linux.intel.com


Reviewed-by: Ramalingam C <ramalingam.c@intel.com>