test(fuzz): add FF-A fuzzing

Add necessary components for FF-A calls to be used in fuzzing framework
including bias tree, `run_ffa_fuzz` helper function, makefile additions,
and initial SMC description file with FF-A smc calls.

Can use ffa_smc_calls.txt to generate necessary header files.

Signed-off-by: Kathleen Capella <kathleen.capella@arm.com>
Change-Id: Ib19714342d31cacd818471686a7e4c8910fed5c3
diff --git a/smc_fuzz/src/runtestfunction_helpers.c b/smc_fuzz/src/runtestfunction_helpers.c
index fbee707..7ef55e8 100644
--- a/smc_fuzz/src/runtestfunction_helpers.c
+++ b/smc_fuzz/src/runtestfunction_helpers.c
@@ -5,12 +5,12 @@
  */
 
 #include <arg_struct_def.h>
+#include <ffa_fuzz_helper.h>
 #include <sdei_fuzz_helper.h>
 #include "smcmalloc.h"
 #include <tsp_fuzz_helper.h>
 
 int cntid = 0;
-
 #include <vendor_fuzz_helper.h>
 
 /*
@@ -23,6 +23,9 @@
 #ifdef SDEI_INCLUDE
 	run_sdei_fuzz(funcid, mmod, inrange, cntid);
 #endif
+#ifdef FFA_INCLUDE
+	run_ffa_fuzz(funcid, mmod);
+#endif
 	run_tsp_fuzz(funcid);
 #ifdef VEN_INCLUDE
 	run_ven_el3_fuzz(funcid, mmod);