[POWERPC] 4xx: typo in calling machine_device_initcall() for Sequoia board

Fix an obvious typo.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>

arch/powerpc/platforms/44x/sequoia.c

@@ -38,7 +38,7 @@ static int __init sequoia_device_probe(void)
 
 	return 0;
 }
-machien_device_initcall(sequoia, sequoia_device_probe);
+machine_device_initcall(sequoia, sequoia_device_probe);
 
 static int __init sequoia_probe(void)
 {