Upstream commit fe4cd0e7f5c58fa94 re-applied to xorg-server-1.20.5

Signed-off-by: Stephen L Arnold <nerdboy@gentoo.org>
see bug https://bugs.gentoo.org/700120
and upstream https://gitlab.freedesktop.org/xorg/xserver/issues/840
---
 hw/xfree86/common/compiler.h | 30 ------------------------------
 1 file changed, 30 deletions(-)

--- a/hw/xfree86/common/compiler.h	2019-11-14 15:49:15.907914452 -0800
+++ b/hw/xfree86/common/compiler.h	2019-11-14 15:49:37.447937610 -0800
@@ -758,36 +758,6 @@
     return xf86ReadMmio32Le((void *) ioBase, port);
 }
 
-#elif defined(__arm__) && defined(__linux__)
-
-/* for Linux on ARM, we use the LIBC inx/outx routines */
-/* note that the appropriate setup via "ioperm" needs to be done */
-/*  *before* any inx/outx is done. */
-
-#include <sys/io.h>
-
-static __inline__ void
-xf_outb(unsigned short port, unsigned char val)
-{
-    outb(val, port);
-}
-
-static __inline__ void
-xf_outw(unsigned short port, unsigned short val)
-{
-    outw(val, port);
-}
-
-static __inline__ void
-xf_outl(unsigned short port, unsigned int val)
-{
-    outl(val, port);
-}
-
-#define outb xf_outb
-#define outw xf_outw
-#define outl xf_outl
-
 #elif defined(__nds32__)
 
 /*