hw/riscv/virt-acpi-build.c: Add CMO information in RHCT

hw/riscv/virt-acpi-build.c: Add CMO information in RHCT

When CMO related extensions like Zicboz, Zicbom and Zicbop are enabled, the
block size for those extensions need to be communicated via CMO node in
RHCT. Add CMO node in RHCT if any of those CMO extensions are detected.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-ID: <20231218150247.466427-9-sunilvl@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>