(submit/bsd-defines) xfree86: os-support: move including machine/sysarch.h out of public header

The only consumer seems to be one BSD specific file, the few drivers using
the *_iopl seem to include it on their own. Thus, no need to keep it in
public headers.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>

hw/xfree86/os-support/bsd/i386_video.c

@@ -42,6 +42,10 @@
 
 #include "xf86_bsd_priv.h"
 
+#if defined(USE_I386_IOPL) || defined(USE_AMD64_IOPL)
+#include <machine/sysarch.h>
+#endif
+
 #ifndef CONSOLE_X_TV_ON
 #define CONSOLE_X_TV_ON _IOW('t',155,int)
 #endif