ipipe: Make ipipe_root_nr_syscalls independent of CONFIG_IPIPE

Needed on x86 at least when CONFIG_IPIPE is off.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>

include/linux/ipipe.h

@@ -204,10 +204,6 @@ int __ipipe_notify_user_intreturn(void);
 
 #define __ipipe_serial_debug(__fmt, __args...)	raw_printk(__fmt, ##__args)
 
-#ifndef ipipe_root_nr_syscalls
-#define ipipe_root_nr_syscalls(ti)	NR_syscalls
-#endif
-
 struct ipipe_trap_data {
 	int exception;
 	struct pt_regs *regs;
@@ -718,4 +714,8 @@ static inline void __ipipe_pin_mapping_globally(unsigned long start,
 { }
 #endif
 
+#ifndef ipipe_root_nr_syscalls
+#define ipipe_root_nr_syscalls(ti)	NR_syscalls
+#endif
+
 #endif	/* !__LINUX_IPIPE_H */