Nit: Change name from helper function and macro

Removed reference to Hafnium in name from helper function and macro to
make them generic.

Signed-off-by: J-Alves <joao.alves@arm.com>
Change-Id: I5bdba013b3a0478dc1ef9058e71747480ba5ff1d
diff --git a/tftf/tests/common/test_helpers.c b/tftf/tests/common/test_helpers.c
index 9861070..05b09d7 100644
--- a/tftf/tests/common/test_helpers.c
+++ b/tftf/tests/common/test_helpers.c
@@ -148,7 +148,7 @@
 	return false;
 }
 
-test_result_t check_hafnium_spmc_testing_set_up(
+test_result_t check_spmc_testing_set_up(
 	uint32_t ffa_version_major, uint32_t ffa_version_minor,
 	const struct ffa_uuid *ffa_uuids, size_t ffa_uuids_size)
 {