supplicant/esp_wifi: move supplicant to idf

Move supplicant to idf and do following refactoring:
1. Make the folder structure consitent with supplicant upstream
2. Remove duplicated header files and minimize the public header files
3. Refactor for WiFi/supplicant interfaces

components/wpa_supplicant/src/crypto/crypto_internal.c

@@ -6,19 +6,12 @@
  * See README for more details.
  */
 
-#include "crypto/includes.h"
-#include "crypto/common.h"
-//#include "wpa/common.h"
+#include "utils/includes.h"
+#include "utils/common.h"
 #include "crypto/crypto.h"
-//#include "crypto/sha256_i.h"
 #include "crypto/sha1_i.h"
 #include "crypto/md5_i.h"
 
-#ifdef MEMLEAK_DEBUG
-static const char mem_debug_file[] ICACHE_RODATA_ATTR = __FILE__;
-#endif
-
-
 struct crypto_hash {
 	enum crypto_hash_alg alg;
 	union {