qemu: command: Use correct tpm device for all non-x86

The qemu `tpm-tis` device is an ISA device, so only really applicable
to x86 archs. For all non-x86 archs we should use `tpm-tis-device`

This fixes tpm-tis usage on armv7l and riscv

Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Cole Robinson <crobinso@redhat.com>