Rename config.h to mbedtls_config.h

This commit was generated using the following script:

# ========================
#!/bin/sh
git ls-files | grep -v '^ChangeLog' | xargs sed -b -E -i '
s/((check|crypto|full|mbedtls|query)_config)\.h/\1\nh/g
s/config\.h/mbedtls_config.h/g
y/\n/./
'
mv include/mbedtls/config.h include/mbedtls/mbedtls_config.h
# ========================

Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
diff --git a/include/mbedtls/config_psa.h b/include/mbedtls/config_psa.h
index a0f2637..f182c52 100644
--- a/include/mbedtls/config_psa.h
+++ b/include/mbedtls/config_psa.h
@@ -3,11 +3,11 @@
  * \brief PSA crypto configuration options (set of defines)
  *
  *  This set of compile-time options takes settings defined in
- *  include/mbedtls/config.h and include/psa/crypto_config.h and uses
+ *  include/mbedtls/mbedtls_config.h and include/psa/crypto_config.h and uses
  *  those definitions to define symbols used in the library code.
  *
  *  Users and integrators should not edit this file, please edit
- *  include/mbedtls/config.h for MBETLS_XXX settings or
+ *  include/mbedtls/mbedtls_config.h for MBETLS_XXX settings or
  *  include/psa/crypto_config.h for PSA_WANT_XXX settings.
  */
 /*