UBUNTU: SAUCE: Revert "tpm_tis_core: Set TPM_CHIP_FLAG_IRQ before probing for interrupts"

UBUNTU: SAUCE: Revert "tpm_tis_core: Set TPM_CHIP_FLAG_IRQ before probing for interrupts"

BugLink: https://bugs.launchpad.net/bugs/1852586
This reverts commit dd0bf321c5ea7ef5755e7e68d5e5b61010ad2ef9 (commit
1ea32c83c699df32689d329b2415796b7bfc2f6e upstream).

This and the following revert fix a boot problem reported by different
users. At least, one user has reported that the reverts fix the boot
issue.

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Acked-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Paolo Pisati <paolo.pisati@canonical.com>
Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>