dt-bindings: hwmon: lltc,ltc2978: Add lltc,ltc713 compatible

The lltc,ltc713 compatible is already in use. Add it to the lltc,ltc2978
binding as the device appears to be similar.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250701-dt-hwmon-compatibles-v1-3-ad99e65cf11b@kernel.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Author: robherring

Documentation/devicetree/bindings/hwmon/lltc,ltc2978.yaml

@@ -28,6 +28,7 @@ properties:
       - lltc,ltc3886
       - lltc,ltc3887
       - lltc,ltc3889
+      - lltc,ltc7132
       - lltc,ltc7841
       - lltc,ltc7880
       - lltc,ltm2987
@@ -55,6 +56,7 @@ properties:
       * ltc2977, ltc2979, ltc2980, ltm2987 : vout0 - vout7
       * ltc2978 : vout0 - vout7
       * ltc3880, ltc3882, ltc3884, ltc3886, ltc3887, ltc3889 : vout0 - vout1
+      * ltc7132 : vout0 - vout1
       * ltc7841 : vout0
       * ltc7880 : vout0 - vout1
       * ltc3883 : vout0