tpm-tis: remove RAISE_STS_IRQ

This look like temporary hacking code. It shouldn't be necessary in
release code, or there should be a runtime option for it.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
