firmware: turris-mox-rwtm: Use sysfs_emit() instead of sprintf()

Use sysfs_emit() instead of sprintf() in sysfs attribute .show()
method.

Signed-off-by: Marek Behún <kabel@kernel.org>
Link: https://lore.kernel.org/r/20240831092050.23093-7-kabel@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Marek Behún 2024-08-31 11:20:40 +02:00 • committed by Arnd Bergmann
commit 97a9c5b3e0
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