tpm: invalid self test error message

The driver emits invalid self test error message even though the init
succeeds.

Signed-off-by: Jarkko Sakkinen <[e-mail]>
Fixes: cae8b441fc20 ("tpm: Factor out common startup code")
Reviewed-by: James Morris <[e-mail]>

drivers/char/tpm/tpm2-cmd.c

···
 		goto out;
 
 	rc = tpm2_do_selftest(chip);
-	if (rc != TPM2_RC_INITIALIZE) {
+	if (rc != 0 && rc != TPM2_RC_INITIALIZE) {
 		dev_err(&chip->dev, "TPM self test failed\n");
 		goto out;
 	}
···
 		}
 	}
 
-	return rc;
 out:
 	if (rc > 0)
 		rc = -ENODEV;