net: dpaa_eth: add ndo_hwtstamp_get() implementation
Allow SIOCGHWTSTAMP to retrieve the current timestamping settings
on DPAA1 interfaces. This reflects what has been done in
dpaa_hwtstamp_set().
Tested with hwstamp_ctl -i fm1-mac9.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Acked-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Link: https://patch.msgid.link/20250508124753.1492742-3-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>