test: adc: add unit test for gd32a503v_eval
add unit test for gd32a503v_eval
#define ADC_ACQUISITION_TIME ADC_ACQ_TIME_DEFAULT
#define ADC_1ST_CHANNEL_ID 3
+#elif defined(CONFIG_BOARD_GD32A503V_EVAL)
+
+#define ADC_DEVICE_NODE DT_INST(0, gd_gd32_adc)
+#define ADC_RESOLUTION 12
+#define ADC_GAIN ADC_GAIN_1
+#define ADC_REFERENCE ADC_REF_INTERNAL
+#define ADC_ACQUISITION_TIME ADC_ACQ_TIME_DEFAULT
+#define ADC_1ST_CHANNEL_ID 1
+
#elif defined(CONFIG_BOARD_HEXIWEAR_K64)
#define ADC_DEVICE_NODE DT_INST(0, nxp_kinetis_adc16)
