MAINTAINERS: Added myself as a reviewer for acpi/smbios subsystem

MAINTAINERS: Added myself as a reviewer for acpi/smbios subsystem

I have developed an interest in this space and hopefully can lend some
helping hand to Igor and Michael in reviewing simpler patches.

Signed-off-by: Ani Sinha <ani@anisinha.ca>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20210825031949.919376-4-ani@anisinha.ca>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>