Revert "[POWERPC] Autodetect serial console on efika"

This reverts commit 9414715a7b,
at Olaf Hering's request:

> Paul, please discard this patch. The optional graphics card may have
> also device_type 'serial' if it is in VGA mode.
> I will send an updated patch later.

arch/powerpc/platforms/52xx/efika.c

@@ -21,7 +21,6 @@
 #include <linux/initrd.h>
 #include <linux/timer.h>
 #include <linux/pci.h>
-#include <linux/console.h>
 
 #include <asm/io.h>
 #include <asm/irq.h>
@@ -221,37 +220,12 @@ static int __init efika_probe(void)
 	return 1;
 }
 
-static void __init efika_init_early(void)
-{
-#ifdef CONFIG_SERIAL_MPC52xx
-	struct device_node *stdout_node;
-	const char *device_type;
-
-	if (strstr(cmd_line, "console="))
-		return;
-	/* find the boot console from /chosen/stdout */
-	if (!of_chosen)
-		return;
-	device_type = of_get_property(of_chosen, "linux,stdout-path", NULL);
-	if (!device_type)
-		return;
-	stdout_node = of_find_node_by_path(device_type);
-	if (stdout_node) {
-		device_type = of_get_property(stdout_node, "device_type", NULL);
-		if (device_type && strcmp(device_type, "serial") == 0)
-			add_preferred_console("ttyPSC", 0, NULL);
-		of_node_put(stdout_node);
-	}
-#endif
-}
-
 define_machine(efika)
 {
 	.name			= EFIKA_PLATFORM_NAME,
 	.probe			= efika_probe,
 	.setup_arch		= efika_setup_arch,
 	.init			= mpc52xx_declare_of_platform_devices,
-	.init_early		= efika_init_early,
 	.show_cpuinfo		= efika_show_cpuinfo,
 	.init_IRQ		= mpc52xx_init_irq,
 	.get_irq		= mpc52xx_get_irq,