misc: Drop print_ implementation from non-romcc boards

Because we had no stack on romcc boards, we had a separate, not as
powerful clone of printk: print_*.

Back in the day, like more than half a decade ago, we migrated a lot
of boards to printk, but we never cleaned up the existing code to be
consistent. Instead, we worked around the problem with a very messy
console.h (nowadays the mess is hidden in romstage_console.c and
early_print.h)

This patch cleans up the generic code pieces to use printk() on all
non-ROMCC boards.

Our two remaining ROMCC boards are fixed up in this commit:
bifferos/bifferboard and dmp/vortex86ex.

Change-Id: I16676eeabe5c892c8e3c9f3c0cd3bae2e8fd74b6
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/8115
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-by: Andrew Wu <arw@dmp.com.tw>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

src/arch/x86/lib/romcc_console.c

@@ -20,6 +20,7 @@
 #include <build.h>
 #include <console/streams.h>
 #include <console/early_print.h>
+#include <console/loglevel.h>
 
 /* Include the sources. */
 #if CONFIG_CONSOLE_SERIAL && CONFIG_DRIVERS_UART_8250IO
@@ -78,3 +79,9 @@ void console_init(void)
 
 	print_info(console_test);
 }
+
+void die(const char *msg)
+{
+	print_emerg(msg);
+	halt();
+}