dts: nrf54lv10a: remove VDD and DVDD analog inputs for nRF54LV10A

MDK 8.72.1 does not specify VDD and DVDD internal analog inputs
for this SoC. Therefore change the binding so it is not possible
to specify these inputs in an overlay.
Align affected SAADC samples accordingly.

Signed-off-by: Nikodem Kastelik <nikodem.kastelik@nordicsemi.no>

Author: nika-nordic

dts/common/nordic/nrf54lv10a.dtsi

@@ -6,7 +6,7 @@
 
 #include <mem.h>
 #include <nordic/nrf_common.dtsi>
-#include <zephyr/dt-bindings/adc/nrf-saadc-nrf54l.h>
+#include <zephyr/dt-bindings/adc/nrf-saadc.h>
 #include <zephyr/dt-bindings/regulator/nrf5x.h>
 
 /delete-node/ &sw_pwm;

samples/zephyr/drivers/adc/adc_dt/boards/nrf54lv10dk_nrf54lv10a_cpuapp.overlay

@@ -6,7 +6,7 @@
 
 / {
 	zephyr,user {
-		io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 7>;
+		io-channels = <&adc 0>, <&adc 1>, <&adc 7>;
 	};
 };
 
@@ -34,16 +34,6 @@
 		zephyr,oversampling = <8>;
 	};
 
-	channel@2 {
-		reg = <2>;
-		zephyr,gain = "ADC_GAIN_1";
-		zephyr,reference = "ADC_REF_INTERNAL";
-		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
-		zephyr,input-positive = <NRF_SAADC_VDD>;
-		zephyr,resolution = <12>;
-		zephyr,oversampling = <8>;
-	};
-
 	channel@7 {
 		reg = <7>;
 		zephyr,gain = "ADC_GAIN_1";

samples/zephyr/drivers/adc/adc_sequence/boards/nrf54lv10dk_nrf54lv10a_cpuapp.overlay

@@ -6,7 +6,7 @@
 
 / {
 	zephyr,user {
-		io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 7>;
+		io-channels = <&adc 0>, <&adc 1>, <&adc 7>;
 	};
 };
 
@@ -40,16 +40,6 @@
 		zephyr,oversampling = <8>;
 	};
 
-	channel@2 {
-		reg = <2>;
-		zephyr,gain = "ADC_GAIN_1";
-		zephyr,reference = "ADC_REF_INTERNAL";
-		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
-		zephyr,input-positive = <NRF_SAADC_DVDD>; /* 0.9 V internal */
-		zephyr,resolution = <12>;
-		zephyr,oversampling = <8>;
-	};
-
 	channel@7 {
 		reg = <7>;
 		zephyr,gain = "ADC_GAIN_1";