Have option of timestamps, CBMEM console and usbdebug for most boards

As boards without EARLY_CBMEM_INIT do not initialize CBMEM in romstage,
and have no CAR migration, these features are available for ramstage only.

Change-Id: Ic3f77ccdedd4e71ba693619c02c9b98b328a0882
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/3970
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>

src/include/timestamp.h

@@ -54,7 +54,7 @@ enum timestamp_id {
 	TS_SELFBOOT_JUMP = 99,
 };
 
-#if CONFIG_COLLECT_TIMESTAMPS
+#if CONFIG_COLLECT_TIMESTAMPS && (CONFIG_EARLY_CBMEM_INIT || !defined(__PRE_RAM__))
 #include <cpu/x86/tsc.h>
 void timestamp_init(tsc_t base);
 void timestamp_add(enum timestamp_id id, tsc_t ts_time);