[4/4] dca: fixup initialization dependency

Mark dca_init as a subsys_initcall since it needs to be ready to go
before dependent drivers start registering themselves.

Cc: <[e-mail]>
Reported-and-tested-by: Mark Rustad <[e-mail]>
Acked-by: Maciej Sosnowski <[e-mail]>
Signed-off-by: Dan Williams <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/dca/dca-core.c

···
 	dca_sysfs_exit();
 }
 
-module_init(dca_init);
+subsys_initcall(dca_init);
 module_exit(dca_exit);