test(fuzz) adding fuzzing for vendor-el3 smccc calls

Change-Id: I4fd64c0a4c02de6d67a372c9c4bf86bcb9e4d091
Signed-off-by: Alex Liang <alex.liang2@arm.com>
diff --git a/tftf/tests/tests-smcfuzzing.mk b/tftf/tests/tests-smcfuzzing.mk
index 05ea46b..9218da1 100644
--- a/tftf/tests/tests-smcfuzzing.mk
+++ b/tftf/tests/tests-smcfuzzing.mk
@@ -16,7 +16,7 @@
 SMC_FUZZ_CALL_END ?= $(SMC_FUZZ_CALLS_PER_INSTANCE)
 # ADDED: define whether events should specifically be constrained
 EXCLUDE_FUNCID ?= 0
-CONSTRAIN_EVENTS ?= 1
+CONSTRAIN_EVENTS ?= 0
 INTR_ASSERT ?= 0
 
 # Validate SMC fuzzer parameters
@@ -89,4 +89,5 @@
 		tsp_fuzz_helper.c					\
 		nfifo.c							\
 		constraint.c						\
+		vendor_fuzz_helper.c \
 	)