tpm_tis: Use devm_free_irq not free_irq

The interrupt is always allocated with devm_request_irq so it
must always be freed with devm_free_irq.

Fixes: 448e9c55 ("tpm_tis: verify interrupt during init")
Signed-off-by: NJason Gunthorpe <jgunthorpe@obsidianresearch.com>
Acked-by: NJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: NJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: NMartin Wilck <Martin.Wilck@ts.fujitsu.com>
Signed-off-by: NJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Acked-by: NPeter Huewe <peterhuewe@gmx.de>

drivers/char/tpm/tpm_tis.c

@@ -401,7 +401,7 @@ static void disable_interrupts(struct tpm_chip *chip)
 	iowrite32(intmask,
 		  chip->vendor.iobase +
 		  TPM_INT_ENABLE(chip->vendor.locality));
-	free_irq(chip->vendor.irq, chip);
+	devm_free_irq(chip->pdev, chip->vendor.irq, chip);
 	chip->vendor.irq = 0;
 }