Infineon: Switch to 1.9.0 code base, add xmc7000 family support, refactor memory layer
diff --git a/boot/zephyr/include/config-rsa-kw.h b/boot/zephyr/include/config-rsa-kw.h
index bc3da7d..b5218dd 100644
--- a/boot/zephyr/include/config-rsa-kw.h
+++ b/boot/zephyr/include/config-rsa-kw.h
@@ -63,6 +63,7 @@
 #define MBEDTLS_MD_C
 #define MBEDTLS_OID_C
 #define MBEDTLS_SHA256_C
+#define MBEDTLS_SHA256_SMALLER
 #define MBEDTLS_SHA224_C
 #define MBEDTLS_AES_C
 #define MBEDTLS_CIPHER_C