drm: fix drm_mode_create_blob comment

Just a silly mistake
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Suggested-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patchwork.freedesktop.org/patch/msgid/20210302184427.1301264-1-lionel.g.landwerlin@intel.com

include/uapi/drm/drm_mode.h

@@ -990,7 +990,7 @@ struct drm_format_modifier {
 };
 
 /**
- * struct drm_mode_create_blob - Create New block property
+ * struct drm_mode_create_blob - Create New blob property
  *
  * Create a new 'blob' data property, copying length bytes from data pointer,
  * and returning new blob ID.