drivers: dac: 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>

drivers/dac/dac_dacx0508.c

@@ -425,7 +425,7 @@ static const struct dac_driver_api dacx0508_driver_api = {
 		.gain[7] = DT_PROP(INST_DT_DACX0508(n, t), channel7_gain), \
 	}; \
 	DEVICE_DT_DEFINE(INST_DT_DACX0508(n, t), \
-			    &dacx0508_init, device_pm_control_nop, \
+			    &dacx0508_init, NULL, \
 			    &dac##t##_data_##n, \
 			    &dac##t##_config_##n, POST_KERNEL, \
 			    CONFIG_DAC_DACX0508_INIT_PRIORITY, \

drivers/dac/dac_dacx3608.c

@@ -255,7 +255,7 @@ static const struct dac_driver_api dacx3608_driver_api = {
 		.resolution = res, \
 	}; \
 	DEVICE_DT_DEFINE(INST_DT_DACX3608(n, t), \
-				&dacx3608_init, device_pm_control_nop, \
+				&dacx3608_init, NULL, \
 				&dac##t##_data_##n, \
 				&dac##t##_config_##n, POST_KERNEL, \
 				CONFIG_DAC_DACX3608_INIT_PRIORITY, \

drivers/dac/dac_mcux_dac.c

@@ -105,7 +105,7 @@ static const struct dac_driver_api mcux_dac_driver_api = {
 		.low_power = DT_INST_PROP(n, low_power_mode),		\
 	};								\
 									\
-	DEVICE_DT_INST_DEFINE(n, mcux_dac_init, device_pm_control_nop,	\
+	DEVICE_DT_INST_DEFINE(n, mcux_dac_init, NULL,			\
 			&mcux_dac_data_##n,				\
 			&mcux_dac_config_##n,				\
 			POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEVICE,\

drivers/dac/dac_mcux_dac32.c

@@ -111,7 +111,7 @@ static const struct dac_driver_api mcux_dac32_driver_api = {
 		.low_power = DT_INST_PROP(n, low_power_mode),		\
 	};								\
 									\
-	DEVICE_DT_INST_DEFINE(n, mcux_dac32_init, device_pm_control_nop,\
+	DEVICE_DT_INST_DEFINE(n, mcux_dac32_init, NULL,			\
 			&mcux_dac32_data_##n,				\
 			&mcux_dac32_config_##n,				\
 			POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEVICE,\

drivers/dac/dac_sam0.c

@@ -106,7 +106,7 @@ static const struct dac_driver_api api_sam0_driver_api = {
 		.refsel = UTIL_CAT(SAM0_DAC_REFSEL_, SAM0_DAC_REFSEL(n)),      \
 	};								       \
 									       \
-	DEVICE_DT_INST_DEFINE(n, &dac_sam0_init, device_pm_control_nop, NULL,  \
+	DEVICE_DT_INST_DEFINE(n, &dac_sam0_init, NULL, NULL,		       \
 			    &dac_sam0_cfg_##n, POST_KERNEL,		       \
 			    CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,	       \
 			    &api_sam0_driver_api)

drivers/dac/dac_stm32.c

@@ -165,7 +165,7 @@ static struct dac_stm32_data dac_stm32_data_##index = {			\
 	.channel_count = STM32_CHANNEL_COUNT				\
 };									\
 									\
-DEVICE_DT_INST_DEFINE(index, &dac_stm32_init, device_pm_control_nop,	\
+DEVICE_DT_INST_DEFINE(index, &dac_stm32_init, NULL,			\
 		    &dac_stm32_data_##index,				\
 		    &dac_stm32_cfg_##index, POST_KERNEL,		\
 		    CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,		\