firmware: turris-mox-rwtm: Convert rest to devm_* and get rid of driver .remove()

Use devm resource management for driver's mailbox. This allows us to get
rid of the driver's .remove() method and the gotos in .probe().

Signed-off-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20240831092050.23093-10-kabel@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Marek Behún 2024-08-31 11:20:43 +02:00 • committed by Arnd Bergmann
commit fbd48bd8cf
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