console uart: Fill coreboot table entries

Also fixes the reported baudrate to take get_option() into account.

Change-Id: Ieadad70b00df02a530b0ccb6fa4e1b51526089f3
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/5310
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>

src/include/boot/coreboot_tables.h

@@ -340,4 +340,8 @@ unsigned long write_coreboot_table(
 
 void fill_lb_gpios(struct lb_gpios *gpios);
 
+void uart_fill_lb(void *data);
+void lb_add_serial(struct lb_serial *serial, void *data);
+void lb_add_console(uint16_t consoletype, void *data);
+
 #endif /* COREBOOT_TABLES_H */