Fix some Makefile dependencies for parallel tests

make runtests -j4 occasionally failed due to missing
dependencies. This helps. Of course, there may be others...

BUG=none
BRANCH=ToT
TEST=make runtests -j4

Change-Id: Iff6e96f94b125a16be76d8cf34ce473bf6c65fe5
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/246764
Reviewed-by: Randall Spangler <rspangler@chromium.org>
diff --git a/Makefile b/Makefile
index c0c5f50..438ab06 100644
--- a/Makefile
+++ b/Makefile
@@ -1259,12 +1259,12 @@
 
 # Generate test keys
 .PHONY: genkeys
-genkeys: utils
+genkeys: utils test_setup
 	tests/gen_test_keys.sh
 
 # Generate test cases for fuzzing
 .PHONY: genfuzztestcases
-genfuzztestcases: utils
+genfuzztestcases: utils test_setup
 	tests/gen_fuzz_test_cases.sh
 
 .PHONY: runbmptests