lava: Add audio hw to QEmu

apparmor-pipewire currently fails on QEmu with following logs:

+ cd apparmor-pipewire
+ common/run-test-in-systemd --name run-test-sh --timeout 120 ./run-test.sh
#=== running test script: /var/lib/lava-4322051/1/tests/7_apparmor-pipewire/apparmor-pipewire/common/run-test-in-systemd --user=1000 /var/lib/lava-4322051/1/tests/7_apparmor-pipewire/apparmor-pipewire/pipewire ===
>> 1
Currently in use: 2 blocks containing 8.0 KiB bytes total.
Allocated during whole lifetime: 2 blocks containing 8.0 KiB bytes total.
Sample cache size: 0 B
>> 2
Failed to get sink information: No such entity
Job for generated-test-case-_var_lib_lava-4322051_1_tests_7_apparmor-pipewire_apparmor-pipewire_pipewire.service failed because the control process exited with error code.
See \"systemctl --user status generated-test-case-_var_lib_lava-4322051_1_tests_7_apparmor-pipewire_apparmor-pipewire_pipewire.service\" and \"journalctl --user -xe\" for details.
Command exited with non-zero status 1
real	0m 0.23s
user	0m 0.00s
sys	0m 0.00s
Job for generated-test-case-run-test-sh.service failed because the control process exited with error code.
NOTE: Run command with the --debug or --full-debug option to enable journal logs
#--- end of test script, status: 1
# /var/lib/lava-4322051/1/tests/7_apparmor-pipewire/apparmor-pipewire/common/run-test-in-systemd --user=1000 /var/lib/lava-4322051/1/tests/7_apparmor-pipewire/apparmor-pipewire/pipewire exited 1

This is due to missing audio card.

Signed-off-by: Frédéric Danis frederic.danis@collabora.com