Replace MBEDTLS_MD_CAN_SHA1 with PSA_WANT_ALG_SHA_1

Signed-off-by: Elena Uziunaite <elena.uziunaite@arm.com>
diff --git a/tf-psa-crypto/drivers/builtin/src/rsa.c b/tf-psa-crypto/drivers/builtin/src/rsa.c
index 8a4c3d0..5e7e762 100644
--- a/tf-psa-crypto/drivers/builtin/src/rsa.c
+++ b/tf-psa-crypto/drivers/builtin/src/rsa.c
@@ -2918,7 +2918,7 @@
     unsigned char rsa_plaintext[PT_LEN];
     unsigned char rsa_decrypted[PT_LEN];
     unsigned char rsa_ciphertext[KEY_LEN];
-#if defined(MBEDTLS_MD_CAN_SHA1)
+#if defined(PSA_WANT_ALG_SHA_1)
     unsigned char sha1sum[20];
 #endif
 
@@ -2999,7 +2999,7 @@
         mbedtls_printf("passed\n");
     }
 
-#if defined(MBEDTLS_MD_CAN_SHA1)
+#if defined(PSA_WANT_ALG_SHA_1)
     if (verbose != 0) {
         mbedtls_printf("  PKCS#1 data sign  : ");
     }
@@ -3041,7 +3041,7 @@
     if (verbose != 0) {
         mbedtls_printf("passed\n");
     }
-#endif /* MBEDTLS_MD_CAN_SHA1 */
+#endif /* PSA_WANT_ALG_SHA_1 */
 
     if (verbose != 0) {
         mbedtls_printf("\n");