Iclass UI (#1366)

* Move structs to header
* roll mbedtls into loclass
* Picopass with scene for reading card
* Picopass: fix memory leak
* Lib: return mbedtls back
* Picopass: rename symbols to match naming guide

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>

lib/loclass/optimized_ikeys.c

@@ -304,7 +304,7 @@ void hash0(uint64_t c, uint8_t k[8]) {
  * @param key
  * @param div_key
  */
-void diversifyKey(uint8_t *csn, uint8_t *key, uint8_t *div_key) {
+void diversifyKey(uint8_t *csn, const uint8_t *key, uint8_t *div_key) {
     // Prepare the DES key
     mbedtls_des_setkey_enc(&ctx_enc, key);