Move calls to quick_ram_check() before CBMEM init

After raminit completes, do a read-modify-write test
just below CBMEM top address. If test fails, die().

Change-Id: I33d4153a5ce0908b8889517394afb46f1ca28f92
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31978
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>

src/northbridge/intel/x4x/raminit.c

@@ -23,7 +23,6 @@
 #include <arch/cpu.h>
 #include <delay.h>
 #include <halt.h>
-#include <lib.h>
 #include "iomap.h"
 #if CONFIG(SOUTHBRIDGE_INTEL_I82801GX)
 #include <southbridge/intel/i82801gx/i82801gx.h> /* smbus_read_byte */
@@ -734,6 +733,5 @@ void sdram_initialize(int boot_path, const u8 *spd_map)
 	}
 
 	timestamp_add_now(TS_AFTER_INITRAM);
-	quick_ram_check();
 	printk(BIOS_DEBUG, "Memory initialized\n");
 }