console: Use romstage code for ramstage and SMM

Console is arch-agnostic and there is no need for separate
implementations for romstage and ramstage.

For SMM there is console only if DEBUG_SMI is selected.

Change-Id: I7028eeeff8bfbb9c8552972436b29a7508834d87
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/5338
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>

src/console/printk.c

@@ -10,6 +10,7 @@
 #include <smp/spinlock.h>
 #include <console/vtxprintf.h>
 #include <console/console.h>
+#include <console/streams.h>
 #include <trace.h>
 
 DECLARE_SPIN_LOCK(console_lock)