test: bios-tables-test: prepare IVRS change in ACPI table

Following the instructions in bios-tables-test, this lists that IVRS.ivrs
in ACPI table will be changed to add new IVHD type 0x11.

Signed-off-by: Bui Quang Minh <minhquangbui99@gmail.com>
Message-Id: <20240111154404.5333-6-minhquangbui99@gmail.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

tests/qtest/bios-tables-test-allowed-diff.h

@@ -1 +1,2 @@
 /* List of comma-separated changed AML files to ignore */
+"tests/data/acpi/q35/IVRS.ivrs",