soc/amd/picasso: Remove call to setup_bsp_ramtop

We don't use amd_setup_mtrrs, bsp_topmem or bsp_topmem2 in picasso.

BUG=b:147042464
TEST=Boot to OS on trembyle

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: I1941934975dfea4f189347811b003a33996c887a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42086
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/soc/amd/picasso/chip.c b/src/soc/amd/picasso/chip.c
index ed39b53..d364b9a 100644
--- a/src/soc/amd/picasso/chip.c
+++ b/src/soc/amd/picasso/chip.c
@@ -1,6 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-#include <cpu/amd/mtrr.h>
 #include <console/console.h>
 #include <device/device.h>
 #include <device/pci.h>
@@ -159,7 +158,6 @@
 
 	data_fabric_set_mmio_np();
 	southbridge_init(chip_info);
-	setup_bsp_ramtop();
 }
 
 static void soc_final(void *chip_info)