[ARM] Update ARM syscalls

Add utimensat, signalfd, timerfd, eventfd syscalls.  Add ignore
defines for sync_file_range and fadvise64_64 which we implement
differently.
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/kernel/calls.S

@@ -357,6 +357,10 @@
 /* 345 */	CALL(sys_getcpu)
 		CALL(sys_ni_syscall)		/* eventually epoll_pwait */
 		CALL(sys_kexec_load)
+		CALL(sys_utimensat)
+		CALL(sys_signalfd)
+/* 350 */	CALL(sys_timerfd)
+		CALL(sys_eventfd)
 #ifndef syscalls_counted
 .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
 #define syscalls_counted

include/asm-arm/unistd.h

@@ -373,6 +373,10 @@
 #define __NR_getcpu			(__NR_SYSCALL_BASE+345)
 					/* 346 for epoll_pwait */
 #define __NR_kexec_load			(__NR_SYSCALL_BASE+347)
+#define __NR_utimensat			(__NR_SYSCALL_BASE+348)
+#define __NR_signalfd			(__NR_SYSCALL_BASE+349)
+#define __NR_timerfd			(__NR_SYSCALL_BASE+350)
+#define __NR_eventfd			(__NR_SYSCALL_BASE+351)
 
 /*
  * The following SWIs are ARM private.
@@ -433,5 +437,11 @@
  */
 #define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
 
+/*
+ * Unimplemented (or alternatively implemented) syscalls
+ */
+#define __IGNORE_sync_file_range	1
+#define __IGNORE_fadvise64_64		1
+
 #endif /* __KERNEL__ */
 #endif /* __ASM_ARM_UNISTD_H */