tests: drivers: adc: adc_api: Add BL652 board support

Add case to support the BL652 DVK board.

Signed-off-by: Ryan Erickson <ryan.erickson@lairdtech.com>
diff --git a/tests/drivers/adc/adc_api/src/test_adc.c b/tests/drivers/adc/adc_api/src/test_adc.c
index 902375e..9c9bc95 100644
--- a/tests/drivers/adc/adc_api/src/test_adc.c
+++ b/tests/drivers/adc/adc_api/src/test_adc.c
@@ -32,7 +32,8 @@
 
 #elif defined(CONFIG_BOARD_NRF52_PCA10040) || \
       defined(CONFIG_BOARD_NRF52840_PCA10056) || \
-      defined(CONFIG_BOARD_NRF52840_BLIP)
+      defined(CONFIG_BOARD_NRF52840_BLIP) || \
+      defined(CONFIG_BOARD_BL652_DVK)
 
 #include <hal/nrf_saadc.h>
 #define ADC_DEVICE_NAME		DT_ADC_0_NAME