console: Fix includes

Do not pull in console hw-specific prototypes everywhere
with console.h as those are not needed for higher levels.

Move prototypes for UARTs next to other consoles.

Change-Id: Icbc9cd3e5bdfdab85d7dccd7c3827bba35248fb8
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/5232
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

src/lib/cbmem_console.c

@@ -18,6 +18,7 @@
  */
 
 #include <console/console.h>
+#include <console/cbmem_console.h>
 #include <cbmem.h>
 #include <arch/early_variables.h>
 #include <string.h>