sb/amd/cimx/sb800: Postpone Sb_Poweron_Init() call

With LPC decode enables explicitly set in C env bootblock,
this call can be delayed to happen before AMD_INIT_RESET.

Change-Id: I3a28eaa2cf70b770b022760a2380ded0f43e9a6f
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37449
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Michał Żygowski <michal.zygowski@3mdeb.com>

src/cpu/amd/agesa/family14/Makefile.inc

@@ -12,7 +12,6 @@
 #
 
 romstage-y += fixme.c
-romstage-y += romstage.c
 
 ramstage-y += fixme.c
 ramstage-y += chip_name.c

src/cpu/amd/agesa/family14/romstage.c

@@ -1,24 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-
-#include <northbridge/amd/agesa/state_machine.h>
-
-#include <sb_cimx.h>
-
-void platform_once(struct sysinfo *cb)
-{
-	sb_Poweron_Init();
-
-	board_BeforeAgesa(cb);
-}