Move preprocessor logic to build_info.h

Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
diff --git a/include/mbedtls/build_info.h b/include/mbedtls/build_info.h
index 8e6b0b8..ad6d394 100644
--- a/include/mbedtls/build_info.h
+++ b/include/mbedtls/build_info.h
@@ -26,10 +26,29 @@
 #ifndef MBEDTLS_BUILD_INFO_H
 #define MBEDTLS_BUILD_INFO_H
 
+#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_DEPRECATE)
+#define _CRT_SECURE_NO_DEPRECATE 1
+#endif
+
 #if !defined(MBEDTLS_CONFIG_FILE)
 #include "mbedtls/config.h"
 #else
 #include MBEDTLS_CONFIG_FILE
 #endif
 
+/* Target and application specific configurations
+ *
+ * Allow user to override any previous default.
+ *
+ */
+#if defined(MBEDTLS_USER_CONFIG_FILE)
+#include MBEDTLS_USER_CONFIG_FILE
+#endif
+
+#if defined(MBEDTLS_PSA_CRYPTO_CONFIG)
+#include "mbedtls/config_psa.h"
+#endif
+
+#include "mbedtls/check_config.h"
+
 #endif /* MBEDTLS_BUILD_INFO_H */
diff --git a/include/mbedtls/config.h b/include/mbedtls/config.h
index 47605f9..f874ae2 100644
--- a/include/mbedtls/config.h
+++ b/include/mbedtls/config.h
@@ -24,13 +24,6 @@
  *  limitations under the License.
  */
 
-#ifndef MBEDTLS_CONFIG_H
-#define MBEDTLS_CONFIG_H
-
-#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_DEPRECATE)
-#define _CRT_SECURE_NO_DEPRECATE 1
-#endif
-
 /**
  * \name SECTION: System support
  *
@@ -3263,20 +3256,3 @@
 //#define MBEDTLS_ECDH_VARIANT_EVEREST_ENABLED
 
 /* \} name SECTION: Customisation configuration options */
-
-/* Target and application specific configurations
- *
- * Allow user to override any previous default.
- *
- */
-#if defined(MBEDTLS_USER_CONFIG_FILE)
-#include MBEDTLS_USER_CONFIG_FILE
-#endif
-
-#if defined(MBEDTLS_PSA_CRYPTO_CONFIG)
-#include "mbedtls/config_psa.h"
-#endif
-
-#include "mbedtls/check_config.h"
-
-#endif /* MBEDTLS_CONFIG_H */