Intel FSP: Move to DYNAMIC_CBMEM

Flag the boards with BROKEN_CAR_MIGRATE, as testing for EARLY_CBMEM_INIT
is not enough to disable CBMEM console for romstage on these platforms.

To have CBMEM early in ramstage, define get_top_of_ram() on sandy/ivy.

Change-Id: Ieefc12099a0e043eb1a7e14bdc7c6e3d209b3d8f
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/7468
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-by: Martin Roth <gaumless@gmail.com>

src/cpu/intel/fsp_model_206ax/Kconfig

@@ -40,6 +40,8 @@ config CPU_SPECIFIC_OPTIONS
 	select PARALLEL_CPU_INIT
 	select TSC_SYNC_MFENCE
 	select LAPIC_MONOTONIC_TIMER
+	select BROKEN_CAR_MIGRATE
+	select DYNAMIC_CBMEM
 
 config BOOTBLOCK_CPU_INIT
 	string

src/cpu/intel/fsp_model_406dx/Kconfig

@@ -36,6 +36,7 @@ config CPU_SPECIFIC_OPTIONS
 	select TSC_SYNC_MFENCE
 	select LAPIC_MONOTONIC_TIMER
 	select BROKEN_CAR_MIGRATE
+	select DYNAMIC_CBMEM
 
 choice
 	prompt "Rangeley CPU Stepping"