dt-bindings: adc: nrf-saadc: Remove platform dependencies

Remove platform dependencies to make dt-bindings more generic.

Signed-off-by: Jakub Zymelka <[email protected]>

Author: jaz1-nordic

include/zephyr/dt-bindings/adc/nrf-saadc-haltium.h

@@ -7,13 +7,25 @@
 #ifndef ZEPHYR_INCLUDE_DT_BINDINGS_ADC_NRF_SAADC_H_
 #define ZEPHYR_INCLUDE_DT_BINDINGS_ADC_NRF_SAADC_H_
 
-#define NRF_SAADC_AIN0 1
-#define NRF_SAADC_AIN1 2
-#define NRF_SAADC_AIN2 3
-#define NRF_SAADC_AIN3 4
-#define NRF_SAADC_AIN4 5
-#define NRF_SAADC_AIN5 6
-#define NRF_SAADC_AIN6 7
-#define NRF_SAADC_AIN7 8
+#define NRF_SAADC_AIN0 0
+#define NRF_SAADC_AIN1 1
+#define NRF_SAADC_AIN2 2
+#define NRF_SAADC_AIN3 3
+#define NRF_SAADC_AIN4 4
+#define NRF_SAADC_AIN5 5
+#define NRF_SAADC_AIN6 6
+#define NRF_SAADC_AIN7 7
+#define NRF_SAADC_AIN8 8
+#define NRF_SAADC_AIN9 9
+#define NRF_SAADC_AIN10 10
+#define NRF_SAADC_AIN11 11
+#define NRF_SAADC_AIN12 12
+#define NRF_SAADC_AIN13 13
+
+#define NRF_SAADC_AIN_VDD_SHIM_OFFSET 128
+#define NRF_SAADC_VDD		  NRF_SAADC_AIN_VDD_SHIM_OFFSET + 0
+#define NRF_SAADC_AVDD		  NRF_SAADC_AIN_VDD_SHIM_OFFSET + 1
+#define NRF_SAADC_DVDD		  NRF_SAADC_AIN_VDD_SHIM_OFFSET + 2
+#define NRF_SAADC_VDDHDIV5	  NRF_SAADC_AIN_VDD_SHIM_OFFSET + 3
 
 #endif /* ZEPHYR_INCLUDE_DT_BINDINGS_ADC_NRF_SAADC_H_ */