Build: Change TFM_TEST_REPO_PATH to CONFIG_TFM_TEST_DIR

The TFM_TEST_REPO_PATH is not really "test repo path".
And it's always used as "${TFM_TEST_REPO_PATH}/test".

This patch changes ${TFM_TEST_REPO_PATH}/test to CONFIG_TFM_TEST_DIR.

Change-Id: I0c64a0afed4adda2742023e802061b305a3e4b6b
Signed-off-by: Kevin Peng <kevin.peng@arm.com>
4 files changed