Remove interuptible key agreement driver interface

Signed-off-by: Waleed Elmelegy <waleed.elmelegy@arm.com>
diff --git a/tf-psa-crypto/include/psa/crypto_driver_contexts_composites.h b/tf-psa-crypto/include/psa/crypto_driver_contexts_composites.h
index 086c0c2..5a484fc 100644
--- a/tf-psa-crypto/include/psa/crypto_driver_contexts_composites.h
+++ b/tf-psa-crypto/include/psa/crypto_driver_contexts_composites.h
@@ -147,10 +147,5 @@
 #endif
 } psa_driver_pake_context_t;
 
-typedef union {
-    unsigned dummy; /* Make sure this union is always non-empty */
-    mbedtls_psa_key_agreement_interruptible_operation_t mbedtls_ctx;
-} psa_driver_key_agreement_interruptible_context_t;
-
 #endif /* PSA_CRYPTO_DRIVER_CONTEXTS_COMPOSITES_H */
 /* End of automatically generated file. */
diff --git a/tf-psa-crypto/include/psa/crypto_struct.h b/tf-psa-crypto/include/psa/crypto_struct.h
index f5241b8..7dbeadc 100644
--- a/tf-psa-crypto/include/psa/crypto_struct.h
+++ b/tf-psa-crypto/include/psa/crypto_struct.h
@@ -508,7 +508,7 @@
      * any driver (i.e. none of the driver contexts are active).
      */
     unsigned int MBEDTLS_PRIVATE(id);
-    psa_driver_key_agreement_interruptible_context_t MBEDTLS_PRIVATE(ctx);
+    mbedtls_psa_key_agreement_interruptible_operation_t MBEDTLS_PRIVATE(mbedtls_ctx);
     uint32_t MBEDTLS_PRIVATE(num_ops);
     psa_key_attributes_t MBEDTLS_PRIVATE(attributes);
     unsigned int MBEDTLS_PRIVATE(error_occurred) : 1;