ssbi: Use regular init level

With device tree, and deferred probe, it is no longer necessary to
make sure that the ssbi bus driver is initialized very early.  Restore
to a regular module_init().
Signed-off-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/ssbi/ssbi.c

@@ -379,7 +379,7 @@ static int __init msm_ssbi_init(void)
 {
 	return platform_driver_register(&msm_ssbi_driver);
 }
-postcore_initcall(msm_ssbi_init);
+module_init(msm_ssbi_init);
 
 static void __exit msm_ssbi_exit(void)
 {