ptpd-qoriq: Limit BSP specific recipe on relevant SOCs
Prevents the following when building for non qoriq machines:
| NOTE: Multiple providers are available for runtime ptpd (ptpd, ptpd-qoriq)
| Consider defining a PREFERRED_RPROVIDER entry to match ptpd
| NOTE: Multiple providers are available for runtime ptpd-dev (ptpd, ptpd-qoriq)
| Consider defining a PREFERRED_RPROVIDER entry to match ptpd-dev
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com> Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>