drivers: nxp_enet: Fix nxp,unique-mac

nxp,unique-mac actually is not meant to be universally
unique, the LAA bit should therefore be set, and fix the
description of the property in the binding to clarify
the intended usage of this property.

Signed-off-by: Declan Snyder <declan.snyder@nxp.com>
2 files changed