drivers: adc: ad5592: use K_KERNEL_STACK_SIZEOF()

Use K_KERNEL_STACK_SIZEOF() for calculating thread stack size, as this
takes K_KERNEL_STACK_RESERVED into account.

Fixes: #69133

Signed-off-by: Henrik Brix Andersen <[email protected]>

Author: henrikbrixandersen

drivers/adc/adc_ad5592.c

@@ -218,7 +218,7 @@ static int adc_ad5592_init(const struct device *dev)
 	adc_context_init(&data->ctx);
 
 	tid = k_thread_create(&data->thread, data->stack,
-			CONFIG_ADC_AD5592_ACQUISITION_THREAD_STACK_SIZE,
+			K_KERNEL_STACK_SIZEOF(data->stack),
 			(k_thread_entry_t)adc_ad5592_acquisition_thread, data, NULL, NULL,
 			CONFIG_ADC_AD5592_ACQUISITION_THREAD_PRIO, 0, K_NO_WAIT);