qemu-native: Add PACKAGECONFIG option for jack

With libjack-devel or jack-audio-connection-kit-devel, qemu-native
detects the library/header and tries to build with it. Since its
missing from the sysroot, it fails to build.

 -O2 -fPIE -D_REENTRANT -Wno-undef -MD -MQ libcommon.fa.p/audio_jackaudio.c.o
-MF libcommon.fa.p/audio_jackaudio.c.o.d -o libcommon.fa.p/audio_jackaudio.c.o
-c ../qemu-6.2.0/audio/jackaudio.c
| ../qemu-6.2.0/audio/jackaudio.c:34:10: fatal error: jack/jack.h: No such file
or directory
|    34 | #include <jack/jack.h>
|       |          ^~~~~~~~~~~~~
| compilation terminated.

Signed-off-by: Jeremy A. Puhlman <jpuhlman@mvista.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
(cherry picked from commit 27260be3)
Signed-off-by: Steve Sakoman <steve@sakoman.com>