compositor-wayland: rename wayland_output_init_from_config

Rename wayland_output_init_from_config to weston_wayland_output_config_init
to prepare the following patch :
"compositor-wayland: move configuration parsing to weston"

Signed-off-by: Benoit Gschwind <gschwind@gnu-log.net>
Reviewed-by: Quentin Glidic <sardemff7+git@sardemff7.net>
[Pekka: drop a useless comment]
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>

src/compositor-wayland.c

@@ -1092,7 +1092,7 @@ err_name:
 }
 
 static void
-wayland_output_init_from_config(struct weston_wayland_backend_output_config *output,
+weston_wayland_output_config_init(struct weston_wayland_backend_output_config *output,
 				  struct weston_config_section *config_section,
 				  int option_width, int option_height,
 				  int option_scale)
@@ -2441,7 +2441,7 @@ load_wayland_backend_config(struct weston_compositor *compositor, int *argc,
 		if (!oc)
 			goto err_outputs;
 
-		wayland_output_init_from_config(oc, section, width,
+		weston_wayland_output_config_init(oc, section, width,
 						  height, scale);
 		--count;
 	}