gl-renderer: Rename gl_renderer_create to gl_renderer_display_create

No functional change. This patch only renames gl_renderer_create() to
gl_renderer_display_create(), which is something more descriptive of
what the function does.

Signed-off-by: Miguel A Vico Moya <mvicomoya@nvidia.com>
Reviewed-by: James Jones <jajones@nvidia.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
diff --git a/libweston/compositor-x11.c b/libweston/compositor-x11.c
index 1c6de08..ccee8db 100644
--- a/libweston/compositor-x11.c
+++ b/libweston/compositor-x11.c
@@ -1645,8 +1645,9 @@
 	if (!gl_renderer)
 		return -1;
 
-	ret = gl_renderer->create(b->compositor, EGL_PLATFORM_X11_KHR, (void *) b->dpy,
-				  gl_renderer->opaque_attribs, NULL, 0);
+	ret = gl_renderer->display_create(b->compositor, EGL_PLATFORM_X11_KHR,
+					  (void *) b->dpy,
+					  gl_renderer->opaque_attribs, NULL, 0);
 
 	return ret;
 }