feat(fpmr): test FPMR register access

Change-Id: I326690564d01596fb4f4b449f4f314699ccfe3c4
Signed-off-by: Arvind Ram Prakash <arvind.ramprakash@arm.com>
diff --git a/tftf/tests/tests-cpu-extensions.mk b/tftf/tests/tests-cpu-extensions.mk
index 144694e..a6d6e2a 100644
--- a/tftf/tests/tests-cpu-extensions.mk
+++ b/tftf/tests/tests-cpu-extensions.mk
@@ -11,6 +11,7 @@
 	extensions/debugv8p9/test_debugv8p9.c				\
 	extensions/ecv/test_ecv.c					\
 	extensions/fgt/test_fgt.c					\
+	extensions/fpmr/test_fpmr.c					\
 	extensions/ls64/test_ls64.c 					\
 	extensions/ls64/ls64_operations.S				\
 	extensions/mpam/test_mpam.c					\