nb/intel/pineview: Move to early cbmem

TESTED on D510MO.

Change-Id: I05aa40df0d2a090fcf734416669e9e1bbff094e4
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/19414
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

src/northbridge/intel/pineview/raminit.c

@@ -15,7 +15,6 @@
  */
 
 #include <arch/io.h>
-#include <cbmem.h>
 #include <console/console.h>
 #include <cpu/x86/cache.h>
 #include <cpu/x86/mtrr.h>