PNP: tpm/tpm_infineon: Use module_pnp_driver to register driver

Removing some boilerplate by using module_pnp_driver instead of calling
register and unregister in the otherwise empty init/exit functions

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/char/tpm/tpm_infineon.c

diff --git a/drivers/char/tpm/tpm_infineon.c b/drivers/char/tpm/tpm_infineon.c
index 6d49213..29ba520 100644
--- a/drivers/char/tpm/tpm_infineon.c
+++ b/drivers/char/tpm/tpm_infineon.c
@@ -637,18 +637,7 @@
 	.remove = tpm_inf_pnp_remove
 };
 
-static int __init init_inf(void)
-{
-	return pnp_register_driver(&tpm_inf_pnp_driver);
-}
-
-static void __exit cleanup_inf(void)
-{
-	pnp_unregister_driver(&tpm_inf_pnp_driver);
-}
-
-module_init(init_inf);
-module_exit(cleanup_inf);
+module_pnp_driver(tpm_inf_pnp_driver);
 
 MODULE_AUTHOR("Marcel Selhorst <tpmdd@sirrix.com>");
 MODULE_DESCRIPTION("Driver for Infineon TPM SLD 9630 TT 1.1 / SLB 9635 TT 1.2");