feat(ssl): Restructure ssl folder

Put mbedtls, axtls, openssl to ssl, also add kconfig to choose ssl library.
Default use mbedtls.

components/axtls/component.mk

@@ -1,6 +0,0 @@
-#
-# Component Makefile
-#
-COMPONENT_ADD_INCLUDEDIRS += include/ssl
-
-COMPONENT_SRCDIRS := source/ssl source/crypto

components/mbedtls/component.mk

@@ -1,8 +0,0 @@
-#
-# Component Makefile
-#
-COMPONENT_ADD_INCLUDEDIRS += include/mbedtls
-
-COMPONENT_SRCDIRS += source/library source/platform
-
-CFLAGS += -DMBEDTLS_CONFIG_FILE='"config_esp.h"'

components/openssl/component.mk

@@ -1,6 +0,0 @@
-#
-# Component Makefile
-#
-COMPONENT_ADD_INCLUDEDIRS += include/openssl include/internal include/platform
-
-COMPONENT_SRCDIRS := source/library source/platform

components/ssl/Kconfig

@@ -0,0 +1,17 @@
+menu "SSL"
+
+choice SSL_LIBRARY_CHOOSE
+    prompt "Choose SSL/TLS library"
+    default SSL_USING_MBEDTLS
+    help
+        Choose the SSL/TLS library which you want to use.
+
+        Currently we support mbedTLS and axTLS.
+
+config SSL_USING_MBEDTLS
+    bool "mbedTLS"
+config SSL_USING_AXTLS
+    bool "axTLS"
+endchoice
+
+endmenu

components/ssl/Makefile.projbuild

@@ -0,0 +1,6 @@
+# Anyone compiling mbedTLS code needs the name of the
+# alternative config file
+
+#ifdef CONFIG_SSL_USING_MBEDTLS
+CPPFLAGS += -DMBEDTLS_CONFIG_FILE='"mbedtls/config_esp.h"'
+#endif

components/ssl/component.mk

@@ -0,0 +1,15 @@
+#
+# Component Makefile
+#
+COMPONENT_ADD_INCLUDEDIRS := openssl/include
+COMPONENT_PRIV_INCLUDEDIRS := openssl/include/internal openssl/include/openssl openssl/include/platform
+
+COMPONENT_SRCDIRS := openssl/source/library openssl/source/platform
+
+ifdef CONFIG_SSL_USING_MBEDTLS
+COMPONENT_ADD_INCLUDEDIRS += mbedtls/include
+COMPONENT_SRCDIRS += mbedtls/source/library mbedtls/source/platform
+else
+COMPONENT_ADD_INCLUDEDIRS += axtls/include
+COMPONENT_SRCDIRS += axtls/source/ssl axtls/source/crypto
+endif