First attempt to add support to ESP32.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>

src/hsm/kek.h

@@ -19,10 +19,11 @@
 #define _DKEK_H_
 
 #include "crypto_utils.h"
-#ifdef ENABLE_EMULATION
+#if defined(ENABLE_EMULATION) || defined(ESP_PLATFORM)
 #include <stdbool.h>
 #endif
 
+
 extern int load_mkek(uint8_t *);
 extern int store_mkek(const uint8_t *);
 extern int save_dkek_key(uint8_t, const uint8_t *key);