Revert "serial: core: Fix ifdef for serial base console functions"

This reverts commit b20172c.

Let's roll back all of the serial core and printk console changes that
went into 6.10-rc1 as there still are problems with them that need to be
sorted out.

Link: https://lore.kernel.org/r/ZnpRozsdw6zbjqze@tlindgre-MOBL1
Reported-by: Petr Mladek <[email protected]>
Reported-by: Tony Lindgren <[email protected]>
Cc: Jiri Slaby <[email protected]>
Cc: John Ogness <[email protected]>
Cc: Sergey Senozhatsky <[email protected]>
Cc: Andy Shevchenko <[email protected]>
Cc: Ilpo Järvinen <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: gregkh

drivers/tty/serial/serial_base_bus.c

@@ -219,6 +219,8 @@ static int serial_base_add_one_prefcon(const char *match, const char *dev_name,
 	return ret;
 }
 
+#endif
+
 #ifdef __sparc__
 
 /* Handle Sparc ttya and ttyb options as done in console_setup() */
@@ -317,8 +319,6 @@ int serial_base_add_preferred_console(struct uart_driver *drv,
 	return serial_base_add_one_prefcon(port_match, drv->dev_name, port->line);
 }
 
-#endif
-
 #ifdef CONFIG_SERIAL_8250_CONSOLE
 
 /*