fix(tc): update the name of mbedtls config header

Recently mbedtls_cofig.h was renamed to:
 - mbedtls_config-2.h
 - mbedtls_config-3.h

Modify the include order to resolve the
static check failure in the CI.

Signed-off-by: Tamas Ban <tamas.ban@arm.com>
Change-Id: I424f1cde199397b8df780a9514f1042e601c6502
1 file changed