Fixes to support latest wolfSSL (disable KDF/PRF)

Author: dgarske

Makefile

@@ -440,7 +440,7 @@ clean:
 	$(Q)rm -f tools/keytools/otp/otp-keystore-gen
 	$(Q)rm -f .stack_usage
 	$(Q)rm -f $(WH_NVM_BIN) $(WH_NVM_HEX)
-	$(Q)$(MAKE) -C test-app -s clean
+	$(Q)$(MAKE) -C test-app clean V=$(V)
 	$(Q)$(MAKE) -C tools/check_config -s clean
 	$(Q)$(MAKE) -C stage1 -s clean
 

include/user_settings.h

@@ -474,6 +474,7 @@ extern int tolower(int c);
 #define NO_PKCS12
 #define NO_PKCS8
 #define NO_CHECK_PRIVATE_KEY
+#define NO_KDF
 
 #define BENCH_EMBEDDED
 #define NO_CRYPT_TEST

test-app/wcs/user_settings.h

@@ -132,6 +132,7 @@ extern int tolower(int c);
 #define WOLFSSL_NO_SOCK
 #define WOLFSSL_IGNORE_FILE_WARN
 #define NO_ERROR_STRINGS
+#define NO_KDF
 
 #define BENCH_EMBEDDED