Add missing const for signature parameter of psa_asymmetric_verify
diff --git a/include/psa/crypto.h b/include/psa/crypto.h
index b67f322..4f1fd7d 100644
--- a/include/psa/crypto.h
+++ b/include/psa/crypto.h
@@ -1811,7 +1811,7 @@
                                    size_t hash_length,
                                    const uint8_t *salt,
                                    size_t salt_length,
-                                   uint8_t *signature,
+                                   const uint8_t *signature,
                                    size_t signature_size);
 
 #define PSA_ASYMMETRIC_ENCRYPT_OUTPUT_SIZE(key_type, key_bits, alg)     \