dt-bindings: hwmon: pmbus: adp1051 and adp1055: add bindings.

Add dt-bindings for adp1051 and adp1055 pmbus.
ADP1051: 6 PWM for I/O Voltage, I/O Current, Temperature
ADP1055: 6 PWM for I/O Voltage, I/O Current, Power, Temperature

Signed-off-by: Alexis Torreno <alexisczezar.torreno@analog.com>

Author: actorreno

Documentation/devicetree/bindings/hwmon/pmbus/adi,adp1050.yaml

@@ -10,16 +10,25 @@ maintainers:
   - Radu Sabau <radu.sabau@analog.com>
 
 description: |
-   The ADP1050 is used to monitor system voltages, currents and temperatures.
+   The ADP1050 and similar devices are used to monitor system voltages,
+   currents, power, and temperatures.
+
    Through the PMBus interface, the ADP1050 targets isolated power supplies
    and has four individual monitors for input/output voltage, input current
    and temperature.
    Datasheet:
      https://www.analog.com/en/products/adp1050.html
+     https://www.analog.com/en/products/adp1051.html
+     https://www.analog.com/en/products/adp1055.html
 
 properties:
+
   compatible:
-    const: adi,adp1050
+    items:
+      - enum:
+          - adi,adp1050
+          - adi,adp1051
+          - adi,adp1055
 
   reg:
     maxItems: 1