drm: Rename crtc_idr as object_idr to KMS cleanups

This patch solves this TODO task:
 drm_mode_config.crtc_idr is misnamed, since it contains all KMS object.
 Should be renamed to drm_mode_config.object_idr.

Signed-off-by: Shayenne da Luz Moura <shayenneluzmoura@gmail.com>
[danvet: resolve conflict with addition of privobj_list.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20181213212957.vkitkyl5cj2qh7qr@smtp.gmail.com
diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h
index d1e2783..88c536b 100644
--- a/include/drm/drm_mode_config.h
+++ b/include/drm/drm_mode_config.h
@@ -391,18 +391,18 @@ struct drm_mode_config {
 	/**
 	 * @idr_mutex:
 	 *
-	 * Mutex for KMS ID allocation and management. Protects both @crtc_idr
+	 * Mutex for KMS ID allocation and management. Protects both @object_idr
 	 * and @tile_idr.
 	 */
 	struct mutex idr_mutex;
 
 	/**
-	 * @crtc_idr:
+	 * @object_idr:
 	 *
 	 * Main KMS ID tracking object. Use this idr for all IDs, fb, crtc,
 	 * connector, modes - just makes life easier to have only one.
 	 */
-	struct idr crtc_idr;
+	struct idr object_idr;
 
 	/**
 	 * @tile_idr: