firmware: turris-mox-rwtm: Use ETH_ALEN instead of hardcoded 6

Use the ETH_ALEN macro instead of hardcoded 6 for MAC address length.

Signed-off-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20240831092050.23093-3-kabel@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Marek Behún 2024-08-31 11:20:36 +02:00 • committed by Arnd Bergmann
commit c3358e1017
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