Pull asm-segment into release branch

arch/ia64/ia32/ia32_signal.c

@@ -29,7 +29,6 @@
 #include <asm/uaccess.h>
 #include <asm/rse.h>
 #include <asm/sigcontext.h>
-#include <asm/segment.h>
 
 #include "ia32priv.h"
 

arch/ia64/pci/pci.c

@@ -24,7 +24,6 @@
 
 #include <asm/machvec.h>
 #include <asm/page.h>
-#include <asm/segment.h>
 #include <asm/system.h>
 #include <asm/io.h>
 #include <asm/sal.h>

arch/ia64/sn/kernel/sn2/sn_hwperf.c

@@ -36,7 +36,6 @@
 #include <asm/topology.h>
 #include <asm/smp.h>
 #include <asm/semaphore.h>
-#include <asm/segment.h>
 #include <asm/uaccess.h>
 #include <asm/sal.h>
 #include <asm/sn/io.h>