feat(afp): add a test for Advanced floating-point

This test is to ensure that TFTF is allowed to write the FPCR register
bits to control the floating-point operation when FEAT_AFP is
implemented.

Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
Change-Id: I21ea288e698bbe706aac55740e28d5f6ccb700dc
diff --git a/tftf/tests/tests-cpu-extensions.mk b/tftf/tests/tests-cpu-extensions.mk
index 5845212..4600e7f 100644
--- a/tftf/tests/tests-cpu-extensions.mk
+++ b/tftf/tests/tests-cpu-extensions.mk
@@ -5,6 +5,7 @@
 #
 
 TESTS_SOURCES	+=	$(addprefix tftf/tests/,			\
+	extensions/afp/test_afp.c					\
 	extensions/amu/test_amu.c					\
 	extensions/ecv/test_ecv.c					\
 	extensions/fgt/test_fgt.c					\