dt-bindings: iio: Fix incorrect compatible strings in examples

Fix a couple of examples using incorrect compatible strings.
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Slawomir Stepien <sst@poczta.fm>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220422192039.2590548-1-robh@kernel.orgSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Documentation/devicetree/bindings/iio/dac/lltc,ltc2632.yaml

@@ -68,7 +68,7 @@ examples:
       #size-cells = <0>;
 
       dac@0 {
-        compatible = "lltc,ltc2632";
+        compatible = "lltc,ltc2632-l12";
         reg = <0>;    /* CS0 */
         spi-max-frequency = <1000000>;
         vref-supply = <&vref>;

Documentation/devicetree/bindings/iio/potentiometer/microchip,mcp4131.yaml

@@ -95,7 +95,7 @@ examples:
         #size-cells = <0>;
 
         potentiometer@0 {
-            compatible = "mcp4131-502";
+            compatible = "microchip,mcp4131-502";
             reg = <0>;
             spi-max-frequency = <500000>;
         };