Remove OSS support for OpenBSD

Remove the OSS support for OpenBSD. The OSS API has not been usable
for quite some time.

Signed-off-by: Brad Smith <brad@comstyle.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
(cherry picked from commit 4f6ab397b6)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>

audio/ossaudio.c

@@ -25,11 +25,7 @@
 #include <sys/mman.h>
 #include <sys/types.h>
 #include <sys/ioctl.h>
-#ifdef __OpenBSD__
-#include <soundcard.h>
-#else
 #include <sys/soundcard.h>
-#endif
 #include "qemu-common.h"
 #include "qemu/main-loop.h"
 #include "qemu/host-utils.h"

configure

@@ -468,9 +468,8 @@ NetBSD)
 OpenBSD)
   bsd="yes"
   make="${MAKE-gmake}"
-  audio_drv_list="oss"
-  audio_possible_drivers="oss sdl esd"
-  oss_lib="-lossaudio"
+  audio_drv_list="sdl"
+  audio_possible_drivers="sdl esd"
 ;;
 Darwin)
   bsd="yes"