Test: Align to Mbed TLS 2.24

Mbed TLS 2.24 updates psa_ecc_curve_t to psa_ecc_family_t, so update it
in tfm test.

Change-Id: I4efc6ef1ac0c68df0baa650e3c28087bfab7eee4
Signed-off-by: Summer Qin <summer.qin@arm.com>
1 file changed