add CLOCK_TAI (and CLOCK_SGI_CYCLE) clock ids to time.h

added in linux-v3.10 commit 1ff3c9677bff7e468e0c487d0ffefe4e901d33f4

include/time.h

@@ -87,6 +87,8 @@ struct itimerspec
 #define CLOCK_BOOTTIME           7
 #define CLOCK_REALTIME_ALARM     8
 #define CLOCK_BOOTTIME_ALARM     9
+#define CLOCK_SGI_CYCLE         10
+#define CLOCK_TAI               11
 
 #define TIMER_ABSTIME 1