net: tsec: read the phy-mode property as fallback to phy-connection-type

The two should be equivalent, but at the moment some platforms
(ls1021a-tsn.dts) use phy-mode only, which is not parsed.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
1 file changed