psa: rename "mbedtls_ecc_group_of_psa" to "mbedtls_ecc_group_from_psa"

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/library/psa_util.c b/library/psa_util.c
index 36b7175..f4685db 100644
--- a/library/psa_util.c
+++ b/library/psa_util.c
@@ -252,9 +252,9 @@
     }
 }
 
-mbedtls_ecp_group_id mbedtls_ecc_group_of_psa(psa_ecc_family_t curve,
-                                              size_t bits,
-                                              int bits_is_sloppy)
+mbedtls_ecp_group_id mbedtls_ecc_group_from_psa(psa_ecc_family_t curve,
+                                                size_t bits,
+                                                int bits_is_sloppy)
 {
     switch (curve) {
         case PSA_ECC_FAMILY_SECP_R1: