spi: at91-usart: drop dead runtime pm support

Drop the dead runtime PM support which has never been enabled.

Fixes: 96ed3ecde2 ("spi: at91-usart: add power management support")
Cc: Radu Pirea <radu_nicolae.pirea@upb.ro>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://patch.msgid.link/20260429092005.166128-1-johan@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Johan Hovold 2026-04-29 11:20:05 +02:00 • committed by Mark Brown
commit ae4ccd216d
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