qemu: Add packageconfig knob to enable pipewire support

qemu: Add packageconfig knob to enable pipewire support

This gets into a quessing mode if not specified and it it probelamactic
for native version since it maybe built on a machine having pipewire
  installed and used on another where pipewire is not installed (
  minimal CI builder ) it ends up with

runqemu - ERROR - Failed to run qemu: /mnt/b/yoe/master/build/tmp/work/x86_64-linux/qemu-helper-native/1.0/recipe-sysroot-native/usr/bin/qemu-system-x86_64: error while loading shared libraries: libpipewire-0.3.so.0: cannot open shared object file: No such file or directory

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>