Shorten the name of psa_key_agreement_raw_shared_secret

There is less of a risk of confusion with the KA+KDF function now.
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 4b6dcf0..01ef0f5 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -5205,13 +5205,13 @@
     return( status );
 }
 
-psa_status_t psa_key_agreement_raw_shared_secret( psa_algorithm_t alg,
-                                                  psa_key_handle_t private_key,
-                                                  const uint8_t *peer_key,
-                                                  size_t peer_key_length,
-                                                  uint8_t *output,
-                                                  size_t output_size,
-                                                  size_t *output_length )
+psa_status_t psa_raw_key_agreement( psa_algorithm_t alg,
+                                    psa_key_handle_t private_key,
+                                    const uint8_t *peer_key,
+                                    size_t peer_key_length,
+                                    uint8_t *output,
+                                    size_t output_size,
+                                    size_t *output_length )
 {
     psa_key_slot_t *slot;
     psa_status_t status;