Interrupts got recently enabled for tpm_tis.

The interrupts initially works on the device but they will stop arriving
after circa ~200 interrupts. On system reboot/shutdown this will cause a
long wait (120000 jiffies).

[jarkko@kernel.org: fix a merge conflict and adjust the commit message]
Fixes: e644b2f4 ("tpm, tpm_tis: Enable interrupt test")
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>