drivers/fsi: Add module license to core driver

Add missing MODULE_LICENSE("GPL") to the core FSI driver.

Signed-off-by: Christopher Bostic <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/fsi/fsi-core.c

···
 module_init(fsi_init);
 module_exit(fsi_exit);
 module_param(discard_errors, int, 0664);
+MODULE_LICENSE("GPL");
 MODULE_PARM_DESC(discard_errors, "Don't invoke error handling on bus accesses");