ARM: deprecate support for old way to pass kernel parameters

This was deprecated in 2001 and announced to live on for 5 years.

For now provide a kernel parameter for those who still need it.

Acked-by: Eric Miao <eric.miao@canonical.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

arch/arm/kernel/compat.c

@@ -217,10 +217,3 @@ void __init convert_to_tag_list(struct tag *tags)
 	struct param_struct *params = (struct param_struct *)tags;
 	build_tag_list(params, &params->u2);
 }
-
-void __init squash_mem_tags(struct tag *tag)
-{
-	for (; tag->hdr.size; tag = tag_next(tag))
-		if (tag->hdr.tag == ATAG_MEM)
-			tag->hdr.tag = ATAG_NONE;
-}