Do not pass MBEDTLS_VERSION_* as REQUIRED_VARS
Do not pass MBEDTLS_VERSION_* as REQUIRED_VARS

find_package_handle_standard_args checks that all passed REQUIRED_VARS
are set to a "truthy" value. In cases where one of MBEDTLS_VERSION_*
variables has a value of 0, that made the whole find script fail.

AVSystem/avs_commons,AVSystem/avs_commons,AVSystem/avs_commons,AVSystem/avs_commons