drivers: spi: remove usage of device_pm_control_nop

device_pm_control_nop is now deprecated in favour of NULL.

Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
diff --git a/drivers/spi/spi_rv32m1_lpspi.c b/drivers/spi/spi_rv32m1_lpspi.c
index 4cbe962..3492903 100644
--- a/drivers/spi/spi_rv32m1_lpspi.c
+++ b/drivers/spi/spi_rv32m1_lpspi.c
@@ -295,7 +295,7 @@
 		SPI_CONTEXT_INIT_SYNC(spi_mcux_data_##n, ctx),		\
 	};								\
 									\
-	DEVICE_DT_INST_DEFINE(n, &spi_mcux_init, device_pm_control_nop,	\
+	DEVICE_DT_INST_DEFINE(n, &spi_mcux_init, NULL,			\
 			    &spi_mcux_data_##n,				\
 			    &spi_mcux_config_##n,			\
 			    POST_KERNEL,				\