[IA64] Wire up memfd_create() system call

Yet another system call. This one added by:

   commit 9183df25fe7b194563db3fec6dc3202a5855839c
   shm: add memfd_create() syscall

Signed-off-by: Tony Luck <tony.luck@intel.com>

arch/ia64/include/asm/unistd.h

@@ -11,7 +11,7 @@
 
 
 
-#define NR_syscalls			316 /* length of syscall table */
+#define NR_syscalls			317 /* length of syscall table */
 
 /*
  * The following defines stop scripts/checksyscalls.sh from complaining about

arch/ia64/include/uapi/asm/unistd.h

@@ -329,5 +329,6 @@
 #define __NR_sched_getattr		1337
 #define __NR_renameat2			1338
 #define __NR_getrandom			1339
+#define __NR_memfd_create		1339
 
 #endif /* _UAPI_ASM_IA64_UNISTD_H */

arch/ia64/kernel/entry.S

@@ -1777,6 +1777,7 @@ sys_call_table:
 	data8 sys_sched_getattr
 	data8 sys_renameat2
 	data8 sys_getrandom
+	data8 sys_memfd_create			// 1340
 
 	.org sys_call_table + 8*NR_syscalls	// guard against failures to increase NR_syscalls
 #endif /* __IA64_ASM_PARAVIRTUALIZED_NATIVE */