[IA64] add __builtin_trap definition for icc build

Map __builtin_trap function to break 0 instruction.
Signed-off-by: HJ Lu <hongjiu.lu@intel.com>
Signed-off-by: Ken Chen <kenneth.w.chen@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

include/asm-ia64/intel_intrin.h

@@ -152,4 +152,6 @@ do {							\
 	}						\
 } while (0)
 
+#define __builtin_trap()	__break(0);
+
 #endif /* _ASM_IA64_INTEL_INTRIN_H */